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Cushion|Lab Grown|IGI

3.51ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG645459123

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG645459123

Diamond specifications and retailer prices

From €642 EUR
$717 USD
As of October 31, 2026
Save €4,451 EUR (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,093 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG645459123 or 645459123. Listed at 14 retailers as of October 31, 2026, with prices from €642 to €5,093, a €4,451 spread on the same certified stone. Do Amore Diamonds lists it at €5,093. 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

3.51
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645459123
Dimensions8.89 × 8.51 × 5.50 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.89 mm8.51 mm3.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645459123
Side View
Table 62.0%Crown 39.8°Girdle: STK-VTKPavilion 35.7°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,093 EUR|Low: €642 EUR|High: €5,093 EUR|Avg: €1,894 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€642 EUR
Retailer 7€752 EUR
Retailer 8€891 EUR
Retailer 4€918 EUR
Retailer 12€1,022 EUR
Retailer 5€1,176 EUR
Retailer 9€2,266 EUR
Retailer 3€2,278 EUR
Retailer 11€2,308 EUR
Retailer 2€2,882 EUR
Retailer 6€3,088 EUR
Do Amore Diamonds€5,093 EUR

41 data points across 12 retailers

14 retailers€642 EUR to €5,093 EUR

A
Cheapest Retailer
-
€642 EUR
$717 USD
Final sale: no returns
A
Retailer 2
-
€752 EUR
$840 USD
View
A
Retailer 3
-
€807 EUR
$902 USD
View
Retailer 4
-
€891 EUR
£784 GBP
View
Price last confirmed 15 days ago
B+
Retailer 5
-
€918 EUR
$1,026 USD
View
A
Retailer 6
-
€1,022 EUR
$1,142 USD
View
A
Retailer 7
-
€1,176 EUR
£1,035 GBP
View
B
Retailer 8
-
€2,266 EUR
$2,532 USD
View
B
Retailer 9
-
€2,278 EUR
£2,004 GBP
View
B
Retailer 10
-
€2,308 EUR
$2,578 USD
View
B
Retailer 11
-
€2,628 EUR
$2,936 USD
View
B
Retailer 12
-
€2,882 EUR
£2,535 GBP
View
B
Retailer 13
-
€3,088 EUR
$3,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-0EB6B45EE · Nov 1
€5,093 EUR
$5,690 USD
View
13 more retailers have this diamond
Prices start from €642 EURSave up to €4,451 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.

A
3.51ct Cushion
€642 EUR