Marquise|Lab Grown|IGI

0.51ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG835611616

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835611616

Diamond specifications and retailer prices

From $282 USD
As of November 1, 2026
Save $716 USD (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,207 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835611616 or 835611616. Listed at 5 retailers as of October 31, 2026, with a 254% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835611616
Dimensions8.20 × 4.11 × 2.64 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm4.11 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835611616
Side View
Table 65.0%Crown 35.8°Girdle: MediumPavilion 42.3°CuletDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,207 USD|Low: $278 USD|High: $1,219 USD|Avg: $631 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$282 USD
Retailer 2$293 USD
Retailer 3$349 USD
Retailer 4$998 USD
MOH London$1,207 USD

20 data points across 5 retailers

5 retailers$282 USD to $998 USD

B+
Cheapest Retailer
-
$282 USD
B+
Retailer 2
-
$293 USD
£230 GBP
View
B+
Retailer 3
-
$349 USD
£275 GBP
View
B
Retailer 4
-
$998 USD
View
Most Expensive
MOH London
LG835611616 · Nov 1
$1,207 USD
£950 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $282 USDSave up to $716 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.

B+
0.51ct Marquise
$282 USD