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Cushion|Lab Grown|IGI

2.53ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG645465763

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG645465763

Diamond specifications and retailer prices

From $751 CAD
HK$4,200 HKD
As of October 31, 2026
Save $2,015 CAD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,766 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.53ct lab-grown cushion diamond

This 2.53ct 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 LG645465763 or 645465763. Listed at 13 retailers as of October 30, 2026, with prices from $751 to $2,766, a $2,015 spread on the same certified stone. Brilliant Earth lists it at $2,766. 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

2.53
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645465763
Dimensions8.97 × 7.33 × 5.02 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.97 mm7.33 mm2.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645465763
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,766 CAD|Low: $677 CAD|High: $3,101 CAD|Avg: $1,682 CAD|-10.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 7$677 CAD
Retailer 16$751 CAD
Retailer 11$874 CAD
Retailer 14$894 CAD
Retailer 10$1,095 CAD
Retailer 4$1,129 CAD
Retailer 12$1,132 CAD
Retailer 13$1,192 CAD
Retailer 5$1,295 CAD
Retailer 8$1,477 CAD
Retailer 2$1,599 CAD
Retailer 9$2,059 CAD
Retailer 15$2,194 CAD
Retailer 3$2,268 CAD
Retailer 17$2,403 CAD
Retailer 6$2,677 CAD
Brilliant Earth$2,766 CAD

25 data points across 17 retailers

13 retailers$751 CAD to $2,766 CAD

A
Cheapest Retailer
-
$751 CAD
HK$4,200 HKD
A
Retailer 2
-
$874 CAD
£493 GBP
View
A
Retailer 3
-
$894 CAD
$640 USD
View
A
Retailer 4
-
$1,095 CAD
$784 USD
View
A
Retailer 5
-
$1,132 CAD
£638 GBP
View
A
Retailer 6
-
$1,192 CAD
$853 USD
View
B+
Retailer 7
-
$1,295 CAD
$927 USD
View
B+
Retailer 8
-
$1,599 CAD
$1,145 USD
View
B
Retailer 9
-
$2,194 CAD
SGD 2,122 SGD
View
B
Retailer 10
-
$2,268 CAD
$1,624 USD
View
B
Retailer 11
-
$2,403 CAD
$1,720 USD
View
Retailer 12
-
$2,677 CAD
£1,509 GBP
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
22350122A · Oct 30
$2,766 CAD
$1,980 USD
View
12 more retailers have this diamond
Prices start from $751 CADSave up to $2,015 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.

A
2.53ct Cushion
$751 CAD