CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG436073310

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436073310

Diamond specifications and retailer prices

From $321 USD
As of November 2, 2026
Save $1,273 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,594 USD at MOH London · As of November 1, 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 LG436073310 or 436073310. Listed at 13 retailers as of November 1, 2026, with prices from $321 to $1,594, a $1,273 spread on the same certified stone. MOH London lists it at $1,594. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073310
Dimensions7.76 × 4.29 × 2.68 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.76 mm4.29 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073310
Side View
Table 57.0%Crown 31.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 2
Current: $1,594 USD|Low: $308 USD|High: $1,613 USD|Avg: $862 USD
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
November 1, 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
MOH London$1,594 USD
Retailer 8$1,598 USD

24 data points across 16 retailers

13 retailers$321 USD to $1,594 USD

A
Cheapest Retailer
-
$321 USD
B+
Retailer 2
-
$358 USD
View
Final sale: no returns
B+
Retailer 3
-
$360 USD
View
B+
Retailer 4
-
$372 USD
View
Retailer 5
-
$398 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$398 USD
View
B
Retailer 7
-
$646 USD
View
B
Retailer 8
-
$722 USD
€688 EUR
View
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
LG436073310 · Nov 1
$1,594 USD
£1,255 GBP
View
12 more retailers have this diamond
Prices start from $321 USDSave up to $1,273 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