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Marquise|Lab Grown|IGI

12.57ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG803668273

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803668273

Diamond specifications and retailer prices

From $2,985 CAD
$2,137 USD
As of November 1, 2026
Save $4,330 CAD (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,316 CAD at Brilliance · As of November 1, 2026
View at Brilliance

About this 12.57ct lab-grown marquise diamond

This 12.57ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803668273 or 803668273. Listed at 3 retailers as of November 1, 2026, with prices from $2,985 to $7,316, a $4,330 spread on the same certified stone. Brilliance lists it at $7,316. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.57
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803668273
Dimensions24.07 × 12.36 × 7.49 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
24.07 mm12.36 mm12.57 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803668273
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.6%

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: Nov 1
Current: $7,316 CAD|Low: $2,985 CAD|High: $35,048 CAD|Avg: $12,165 CAD|-15.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 2$2,985 CAD
Retailer 3$3,971 CAD
Retailer 7$4,312 CAD
Brilliance$7,316 CAD
Retailer 6$8,470 CAD
Retailer 4$15,666 CAD
Retailer 5$35,048 CAD

11 data points across 7 retailers

3 retailers$2,985 CAD to $7,316 CAD

A
Cheapest Retailer
-
$2,985 CAD
$2,137 USD
Final sale: no returns
B+
Retailer 2
-
$3,971 CAD
$2,843 USD
View
Most Expensive
B+
Brilliance
D43560224 · Nov 1
$7,316 CAD
$5,237 USD
View
2 more retailers have this diamond
Prices start from $2,985 CADSave up to $4,330 CAD

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
12.57ct Marquise
$2,985 CAD