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Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG774674145

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774674145

Diamond specifications and retailer prices

From $170 USD
As of October 30, 2026
Save $184 USD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $354 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG774674145 or 774674145. Listed at 3 retailers as of October 30, 2026, with prices from $170 to $354, a $184 spread on the same certified stone. With Clarity lists it at $354. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774674145
Dimensions8.27 × 4.13 × 2.56 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm4.13 mm0.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG774674145
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $229 USD|Low: $170 USD|High: $537 USD|Avg: $328 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 25, 2026
Retailer 2$170 USD
Retailer 1$229 USD
Retailer 4$248 USD
Retailer 5$301 USD
With Clarity$347 USD
Retailer 3$440 USD
Retailer 6$537 USD

8 data points across 7 retailers

3 retailers$170 USD to $354 USD

A
Cheapest Retailer
-
$170 USD
A
Retailer 2
-
$229 USD
€218 EUR
View
Most Expensive
B
With Clarity
774674145 · Oct 30
$354 USD
View
2 more retailers have this diamond
Prices start from $170 USDSave up to $184 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
$170 USD