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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 $242 AUD
As of November 4, 2026
Save $328 AUD (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $570 AUD at Brilliant Earth · As of November 4, 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 November 4, 2026, with prices from $242 to $570, a $328 spread on the same certified stone. Brilliant Earth lists it at $570. 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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Price History

Last verified: Nov 4
Current: $570 AUD|Low: $242 AUD|High: $765 AUD|Avg: $466 AUD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$242 AUD
Retailer 2$325 AUD
Retailer 5$354 AUD
Retailer 6$429 AUD
Retailer 3$495 AUD
Brilliant Earth$570 AUD
Retailer 7$765 AUD

9 data points across 7 retailers

4 retailers$242 AUD to $570 AUD

A
Cheapest Retailer
-
$242 AUD
A
Retailer 2
-
$325 AUD
View
B
Retailer 3
-
$505 AUD
View
Most Expensive
B
Brilliant Earth
18616225A · Nov 4
$570 AUD
$400 USD
View
3 more retailers have this diamond
Prices start from $242 AUDSave up to $328 AUD

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
$242 AUD