Cushion|Lab Grown|IGI

3.10ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG591312921

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG591312921

Diamond specifications and retailer prices

From $2,542 CAD
$1,820 USD
As of October 30, 2026
Save $6,970 CAD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,302 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591312921 or 591312921. Listed at 10 retailers as of October 29, 2026, with a 274% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591312921
Dimensions8.76 × 8.33 × 5.56 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.76 mm8.33 mm3.10 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591312921
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $4,844 CAD|Low: $2,179 CAD|High: $18,732 CAD|Avg: $7,503 CAD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 7$2,542 CAD
Retailer 9$3,051 CAD
Retailer 1$4,844 CAD
Retailer 8$4,948 CAD
Retailer 4$5,218 CAD
Retailer 5$6,272 CAD
Retailer 10$6,663 CAD
Retailer 6$8,591 CAD
Retailer 3$9,513 CAD
Taylor and Hart$12,302 CAD
Retailer 2$18,732 CAD

24 data points across 11 retailers

10 retailers$2,542 CAD to $9,513 CAD

B+
Cheapest Retailer
-
$2,542 CAD
$1,820 USD
B
Retailer 2
-
$4,844 CAD
£2,731 GBP
View
B
Retailer 3
-
$4,948 CAD
$3,542 USD
View
B
Retailer 4
-
$5,218 CAD
View
B
Retailer 5
-
$6,272 CAD
$4,490 USD
View
B
Retailer 6
-
$6,663 CAD
£3,756 GBP
View
B
Retailer 7
-
$8,591 CAD
$6,150 USD
View
B
Retailer 8
-
$9,513 CAD
£5,362 GBP
View
Most Expensive
Taylor and Hart
Z1B8B2S · Oct 30
$12,302 CAD
$8,807 USD
View
Price under review
8 more retailers have this diamond
Prices start from $2,542 CADSave up to $6,970 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.

B+
3.10ct Cushion
$2,542 CAD