CaratHunter
Plans
Cushion|Lab Grown|IGI

2.51ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • IGI LG828657688

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828657688

Diamond specifications and retailer prices

From €2,381 EUR
$2,660 USD
As of October 26, 2026
8 retailers carry this diamond
Most expensive: €2,926 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828657688 or 828657688. Listed at 8 retailers as of October 26, 2026. 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

2.51
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828657688
Dimensions9.52 × 7.12 × 4.62 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.52 mm7.12 mm2.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828657688
Side View
Table 58.0%Crown 35.2°Girdle: STK-THKPavilion 41.3°Culet: LargeDepth 64.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €2,926 EUR|Low: €509 EUR|High: €2,949 EUR|Avg: €1,606 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 21, 2026
Retailer 7€714 EUR
Retailer 9€732 EUR
Retailer 6€741 EUR
Retailer 4€900 EUR
Retailer 3€1,172 EUR
Retailer 5€1,174 EUR
Retailer 8€2,305 EUR
Retailer 2€2,381 EUR
Retailer 10€2,555 EUR
MOH London€2,926 EUR

19 data points across 10 retailers

8 retailers

Retailer 1
-
€732 EUR
$818 USD
Price last confirmed 8 days ago
Retailer 2
-
€741 EUR
$828 USD
View
Price last confirmed 14 days ago
Retailer 3
-
€900 EUR
$1,005 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€1,174 EUR
$1,312 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€2,305 EUR
£2,028 GBP
View
Price last confirmed 10 days ago
B
Retailer 6
-
€2,381 EUR
$2,660 USD
View
Retailer 7
-
€2,555 EUR
$2,854 USD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG828657688 · Oct 21
€2,926 EUR
£2,574 GBP
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from €2,381 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
2.51ct Cushion
€2,381 EUR