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 €1,629 EUR
$1,820 USD
As of October 31, 2026
Save €4,466 EUR (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,883 EUR 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 31
Current: €3,104 EUR|Low: €1,396 EUR|High: €12,003 EUR|Avg: €4,820 EUR|+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€1,629 EUR
Retailer 9€1,955 EUR
Retailer 1€3,104 EUR
Retailer 8€3,170 EUR
Retailer 4€3,344 EUR
Retailer 5€4,019 EUR
Retailer 10€4,270 EUR
Retailer 6€5,505 EUR
Retailer 3€6,095 EUR
Taylor and Hart€7,883 EUR
Retailer 2€12,003 EUR

22 data points across 11 retailers

10 retailers€1,629 EUR to €6,095 EUR

B+
Cheapest Retailer
-
€1,629 EUR
$1,820 USD
B
Retailer 2
-
€3,104 EUR
£2,731 GBP
View
B
Retailer 3
-
€3,170 EUR
$3,542 USD
View
B
Retailer 4
-
€3,344 EUR
CA$5,188 CAD
View
B
Retailer 5
-
€4,019 EUR
$4,490 USD
View
B
Retailer 6
-
€4,270 EUR
£3,756 GBP
View
B
Retailer 7
-
€5,505 EUR
$6,150 USD
View
B
Retailer 8
-
€6,095 EUR
£5,362 GBP
View
Most Expensive
Taylor and Hart
Z1B8B2S · Oct 30
€7,883 EUR
$8,807 USD
View
Price under review
8 more retailers have this diamond
Prices start from €1,629 EURSave up to €4,466 EUR

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
€1,629 EUR