Marquise|Lab Grown|IGI

0.51ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG436072209

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072209

Diamond specifications and retailer prices

From $321 USD
As of October 30, 2026
Save $1,280 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,601 USD at MOH London · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436072209 or 436072209. Listed at 13 retailers as of October 29, 2026, with prices from $321 to $1,601, a $1,280 spread on the same certified stone. MOH London lists it at $1,601. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072209
Dimensions7.96 × 4.26 × 2.62 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.96 mm4.26 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072209
Side View
Table 55.5%Crown 32.4°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.5%

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: Oct 30
Current: $1,601 USD|Low: $308 USD|High: $1,613 USD|Avg: $862 USD|+0.5%
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
October 29, 2026
Retailer 10$321 USD
Retailer 3$358 USD
Retailer 11$360 USD
Retailer 15$372 USD
Retailer 12$398 USD
Retailer 16$398 USD
Retailer 5$550 USD
Retailer 14$646 USD
Retailer 2$722 USD
Retailer 6$769 USD
Retailer 9$1,166 USD
Retailer 13$1,278 USD
Retailer 4$1,479 USD
Retailer 7$1,554 USD
Retailer 8$1,598 USD
MOH London$1,601 USD

23 data points across 16 retailers

13 retailers$321 USD to $1,601 USD

A
Cheapest Retailer
-
$321 USD
A
Retailer 2
-
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$360 USD
View
A
Retailer 4
-
$372 USD
View
B+
Retailer 5
-
$398 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$398 USD
View
B
Retailer 7
-
$646 USD
View
B
Retailer 8
-
$722 USD
€688 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,166 USD
View
B
Retailer 10
-
$1,278 USD
View
B
Retailer 11
-
$1,479 USD
View
B
Retailer 12
-
$1,554 USD
£1,224 GBP
View
Most Expensive
B
MOH London
LG436072209 · Oct 29
$1,601 USD
£1,261 GBP
View
12 more retailers have this diamond
Prices start from $321 USDSave up to $1,280 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
$321 USD