L T Denny Diamonds

Thoughtfully Curated, Expertly Sourced, Always Personal.
Seattle’s Trusted Destination for Diamonds

Finding the One, Made Simple

NATURAL & LAB GROWN

Diamond shopping can feel overwhelming—but it doesn’t have to! We start by learning your style, budget, and priorities, then do the filtering, searching, and research for you. Whether you prefer natural or lab-grown, we’ll find the best fit. Our in-store collection is curated, and we’ll hand-select additional options just for you. Every diamond we show is one we’d be excited to choose ourselves

Ready to find your perfect diamond? Let’s start the search together

Lab-Grown Diamonds

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2.58ct Round Brilliant Cut Lab-Grown Diamond
$1,614.13
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1.05ct Marquise Cut Lab-Grown Diamond
$525.00
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1.09ct Elongated Cushion Cut Lab-Grown Diamond
$587.51
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1.07ct Round Brilliant Cut Lab-Grown Diamond
$647.99
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1.01ct Round Brilliant Cut Lab-Grown Diamond
$611.66
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44 products
2.58ct Round Brilliant Cut Lab-Grown Diamond
2.58ct Round Brilliant Cut Lab-Grown Diamond
2.58ct Round Brilliant Cut Lab-Grown Diamond
2.58ct Round Brilliant Cut Lab-Grown Diamond

2.58ct Round Brilliant Cut Lab-Grown Diamond

191-00265

$1,614.13 Save $-1,614.13
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2.58ct E/VS1 Round Brilliant Cut 8.76 x 877 x 5.43mm IGI Cert. 640491476
Additional Information
Item Number 001-191-00265
Category Stock
Primary Stone Shape Round
Primary Stone Type DIAMOND
1.05ct Marquise Cut Lab-Grown Diamond
1.05ct Marquise Cut Lab-Grown Diamond
1.05ct Marquise Cut Lab-Grown Diamond
1.05ct Marquise Cut Lab-Grown Diamond

1.05ct Marquise Cut Lab-Grown Diamond

191-00255

$525.00 Save $-525.00
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1.05ct D/VS2 Marquise Cut 10.12 x 5.36 x 3.37MM IGI Cert: #650480586
Additional Information
Item Number 001-191-00255
Category Stock
Primary Stone Clarity VS2
Primary Stone Tone D
Primary Stone Shape marquise
Primary Stone Weight 1.05
Stone TWT Value 1.05
Primary Stone Type DIAMOND
Stone Weight Max 1.05
Stone Weight Min 1.05
1.09ct Elongated Cushion Cut Lab-Grown Diamond
1.09ct Elongated Cushion Cut Lab-Grown Diamond
1.09ct Elongated Cushion Cut Lab-Grown Diamond
1.09ct Elongated Cushion Cut Lab-Grown Diamond

1.09ct Elongated Cushion Cut Lab-Grown Diamond

191-00261

$587.51 Save $-587.51
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1.09ct D/VS2 Elongated Cushion 7.13 x 5.48 x 3.67mm IGI Certified; 602350932
Additional Information
Item Number 001-191-00261
Category Memo
Primary Stone Clarity VS2
Primary Stone Tone D
Primary Stone Shape cushion
Primary Stone Weight 1.09
Stone TWT Value 1.09
Primary Stone Type DIAMOND
Stone Weight Max 1.09
Stone Weight Min 1.09
1.07ct Round Brilliant Cut Lab-Grown Diamond
1.07ct Round Brilliant Cut Lab-Grown Diamond
1.07ct Round Brilliant Cut Lab-Grown Diamond
1.07ct Round Brilliant Cut Lab-Grown Diamond

1.07ct Round Brilliant Cut Lab-Grown Diamond

191-00260

$647.99 Save $-647.99
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1.07ct D/VS1 Round Brilliant Cut 6.54 x 6.5 x 4.09mm IGI Certified; 723536385
Additional Information
Item Number 001-191-00260
Category Memo
Primary Stone Clarity VS2
Primary Stone Tone D
Primary Stone Shape Round
Primary Stone Weight 1.07
Stone TWT Value 1.07
Primary Stone Type DIAMOND
Stone Weight Max 1.07
Stone Weight Min 1.07
1.01ct Round Brilliant Cut Lab-Grown Diamond
1.01ct Round Brilliant Cut Lab-Grown Diamond
1.01ct Round Brilliant Cut Lab-Grown Diamond
1.01ct Round Brilliant Cut Lab-Grown Diamond

1.01ct Round Brilliant Cut Lab-Grown Diamond

191-00259

$611.66 Save $-611.66
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1.01ct D/VS1 Round Brilliant Cut 6.44 x 6.48 x 3.95mm IGI Certified; 621411442
Additional Information
Item Number 001-191-00259
Category Memo
Primary Stone Clarity VS1
Primary Stone Tone D
Primary Stone Shape Round
Primary Stone Weight 1.01
Stone TWT Value 1.01
Primary Stone Type DIAMOND
Stone Weight Max 1.01
Stone Weight Min 1.01
Understand the difference
Natural vs Lab-Grown Diamonds
Choose what’s right for you with confidence and clarity
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Natural Diamonds

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Loose Natural 1.46ct Round Black/White Diamond
$2,000.00
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Loose Natural FMX 0.76ct cushion Diamond
$4,860.00
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Loose Natural FMX 0.77ct cushion Diamond
$5,177.00
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Loose Natural 1.01ct oval Brown Diamond
$6,200.00
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Loose Natural FMX 0.90ct cushion Diamond
$6,350.00
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10 products
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond
Loose Natural 1.46ct Round Black/White Diamond

Loose Natural 1.46ct Round Black/White Diamond

190-00886

$2,000.00 Save $-2,000.00
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Loose Stone With One 1.46Ct Round Fancy Diamond - Salt and pepper
Additional Information
Item Number 001-190-00886
Category Stock
Primary Stone Tone Fancy
Primary Stone Shape Round
Primary Stone Weight 1.4633
Primary Stone Type DIAMOND
Stone Weight Max 1.4633
Stone Weight Min 1.4633
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond
Loose Natural FMX 0.76ct cushion Diamond

Loose Natural FMX 0.76ct cushion Diamond

190-00488

$4,860.00 Save $-4,860.00
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Loose Stone With One 0.76Ct Cushion G Vs2 Diamond Shape: cushion Caret: 0.76 Color: G Clarity: VS2 Cut: Excellent Lab: Forevermark Cert #: 020004658893 Inscript #: 7676715 z
Additional Information
Item Number 001-190-00488
Category Stock
Primary Stone Clarity VS2
Primary Stone Tone G
Primary Stone Shape cushion
Primary Stone Weight 0.76
Primary Stone Type DIAMOND
Stone Weight Max 0.76
Stone Weight Min 0.76
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond
Loose Natural FMX 0.77ct cushion Diamond

Loose Natural FMX 0.77ct cushion Diamond

190-00487

$5,177.00 Save $-5,177.00
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Loose Stone With One 0.77Ct Cushion E Si1 Diamond Shape: cushion Caret: 0.77 Color: E Clarity: SI1 Cut: Excellent Lab: Forevermark Cert #: 020004215450 Inscript #: 8870630 z
Additional Information
Item Number 001-190-00487
Category Stock
Primary Stone Clarity SI1
Primary Stone Tone E
Primary Stone Shape cushion
Primary Stone Weight 0.77
Primary Stone Type DIAMOND
Stone Weight Max 0.77
Stone Weight Min 0.77
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond
Loose Natural 1.01ct oval Brown Diamond

Loose Natural 1.01ct oval Brown Diamond

190-00888

$6,200.00 Save $-6,200.00
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OV2356 - F.OR-BRN/DIAM FULL CUT OV VVS
Additional Information
Item Number 001-190-00888
Category Stock
Primary Stone Tone Fancy
Primary Stone Shape oval
Primary Stone Weight 1.01
Stone TWT Value 1.01
Primary Stone Type DIAMOND
Stone Weight Max 1.01
Stone Weight Min 1.01
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond
Loose Natural FMX 0.90ct cushion Diamond

Loose Natural FMX 0.90ct cushion Diamond

190-00413

$6,350.00 Save $-6,350.00
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Shipping calculated at checkout.
Loose Stone With One 0.90Ct Cushion G Si1 Diamond Shape: cushion Caret: 0.9 Color: G Clarity: SI1 Cut: Excellent Lab: Forevermark Cert #: 020003446112 Inscript #: 1818055 z
Additional Information
Item Number 001-190-00413
Category Stock
Primary Stone Clarity SI1
Primary Stone Tone G
Primary Stone Shape cushion
Primary Stone Weight 0.9
Primary Stone Type DIAMOND
Stone Weight Max 0.9
Stone Weight Min 0.9
Vendor Style Note Firecushion FM
GIA Diamond Grading
The 4 c's
Learn More About Diamond Grading with the GIA Interactive 4 C's Tool
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