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Marquise|Lab Grown|IGI

0.51ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG436045420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045420

Diamond specifications and retailer prices

From $351 USD
As of November 4, 2026
Save $1,347 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,698 USD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG436045420 or 436045420. Listed at 15 retailers as of November 4, 2026, with prices from $351 to $1,698, a $1,347 spread on the same certified stone. MOH London lists it at $1,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045420
Dimensions7.75 × 4.30 × 2.72 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.75 mm4.30 mm0.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045420
Side View
Table 59.5%Crown 35.8°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,698 USD|Low: $337 USD|High: $1,723 USD|Avg: $871 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 14$351 USD
Retailer 15$380 USD
Retailer 6$393 USD
Retailer 4$408 USD
Retailer 5$436 USD
Retailer 16$436 USD
Retailer 8$585 USD
Retailer 3$699 USD
Retailer 11$782 USD
Retailer 10$791 USD
Retailer 9$819 USD
Retailer 2$1,110 USD
Retailer 12$1,278 USD
Retailer 17$1,401 USD
Retailer 7$1,566 USD
Retailer 13$1,691 USD
MOH London$1,698 USD

31 data points across 17 retailers

15 retailers$351 USD to $1,698 USD

A
Cheapest Retailer
-
$351 USD
B+
Retailer 2
-
$380 USD
View
B+
Retailer 3
-
$393 USD
View
Final sale: no returns
B+
Retailer 4
-
$408 USD
View
Retailer 5
-
$436 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$436 USD
View
B
Retailer 7
-
$699 USD
View
Retailer 8
-
$782 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$791 USD
View
B
Retailer 10
-
$1,110 USD
View
B
Retailer 11
-
$1,278 USD
View
B
Retailer 12
-
$1,401 USD
View
B
Retailer 13
-
$1,566 USD
View
B
Retailer 14
-
$1,691 USD
View
Most Expensive
B
MOH London
LG436045420 · Nov 5
$1,698 USD
£1,337 GBP
View
14 more retailers have this diamond
Prices start from $351 USDSave up to $1,347 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.51ct Marquise
$351 USD