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Cushion|Lab Grown|IGI

2.25ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG499121430

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG499121430

Diamond specifications and retailer prices

From $3,153 USD
CA$4,379 CAD
As of October 30, 2026
7 retailers carry this diamond
Most expensive: $3,279 USD at MOH London · As of October 15, 2026
View at MOH London

About this 2.25ct lab-grown cushion diamond

This 2.25ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499121430 or 499121430. Listed at 7 retailers as of October 30, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.25
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499121430
Dimensions8.15 × 7.40 × 5.08 mm
L/W Ratio1.10
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
8.15 mm7.40 mm2.25 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499121430
Side View
Table 63.5%Crown 32.9°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 68.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,279 USD|Low: $731 USD|High: $5,340 USD|Avg: $1,962 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 3$731 USD
Retailer 6$746 USD
Retailer 11$985 USD
Retailer 4$1,053 USD
Retailer 10$1,144 USD
Retailer 5$1,234 USD
Retailer 7$1,390 USD
Retailer 8$2,640 USD
Retailer 2$3,153 USD
MOH London$3,279 USD
Retailer 9$5,340 USD

27 data points across 11 retailers

7 retailers

Retailer 1
-
$746 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,053 USD
£829 GBP
View
Price last confirmed 18 days ago
Retailer 3
-
$1,144 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,390 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$2,640 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$3,153 USD
CA$4,379 CAD
View
Most Expensive
MOH London
LG499121430 · Oct 15
$3,279 USD
£2,582 GBP
View
Price last confirmed 18 days ago
6 more retailers have this diamond
Prices start from $3,153 USD

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
2.25ct Cushion
$3,153 USD