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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 $302 NZD
$170 USD
As of November 1, 2026
Save $408 NZD (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $710 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 4 retailers as of October 31, 2026, with prices from $302 to $710, a $408 spread on the same certified stone. Brilliant Earth lists it at $710. 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
Colour
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

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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: Nov 1
Current: $710 NZD|Low: $302 NZD|High: $953 NZD|Avg: $581 NZD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$302 NZD
Retailer 2$406 NZD
Retailer 5$440 NZD
Retailer 6$535 NZD
Retailer 3$616 NZD
Brilliant Earth$710 NZD
Retailer 7$953 NZD

9 data points across 7 retailers

4 retailers$302 NZD to $710 NZD

A
Cheapest Retailer
-
$302 NZD
$170 USD
A
Retailer 2
-
$406 NZD
€218 EUR
View
B
Retailer 3
-
$628 NZD
$354 USD
View
Most Expensive
B
Brilliant Earth
18616225A · Oct 31
$710 NZD
$400 USD
View
3 more retailers have this diamond
Prices start from $302 NZDSave up to $408 NZD

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
$302 NZD