CaratHunter
Plans
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 $767 AUD
HK$4,200 HKD
As of November 1, 2026
Save $2,058 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,825 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $767 to $2,825, a $2,058 spread on the same certified stone. Brilliant Earth lists it at $2,825. 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
Colour
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

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: Nov 1
Current: $2,825 AUD|Low: $692 AUD|High: $3,168 AUD|Avg: $1,667 AUD|-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
November 2, 2026
Retailer 7$692 AUD
Retailer 16$767 AUD
Retailer 10$890 AUD
Retailer 14$913 AUD
Retailer 12$1,119 AUD
Retailer 5$1,154 AUD
Retailer 2$1,157 AUD
Retailer 13$1,217 AUD
Retailer 6$1,323 AUD
Retailer 8$1,509 AUD
Retailer 11$1,634 AUD
Retailer 15$2,241 AUD
Retailer 4$2,317 AUD
Retailer 3$2,454 AUD
Retailer 9$2,753 AUD
Brilliant Earth$2,825 AUD

24 data points across 16 retailers

13 retailers$767 AUD to $2,825 AUD

A
Cheapest Retailer
-
$767 AUD
HK$4,200 HKD
A
Retailer 2
-
$890 AUD
£491 GBP
View
A
Retailer 3
-
$913 AUD
$640 USD
View
A
Retailer 4
-
$1,119 AUD
$784 USD
View
A
Retailer 5
-
$1,157 AUD
£638 GBP
View
A
Retailer 6
-
$1,217 AUD
$853 USD
View
B+
Retailer 7
-
$1,323 AUD
$927 USD
View
B+
Retailer 8
-
$1,634 AUD
$1,145 USD
View
B
Retailer 9
-
$2,241 AUD
SGD 2,122 SGD
View
B
Retailer 10
-
$2,317 AUD
$1,624 USD
View
B
Retailer 11
-
$2,454 AUD
$1,720 USD
View
B
Retailer 12
-
$2,753 AUD
£1,519 GBP
View
Most Expensive
B
Brilliant Earth
22350122A · Oct 31
$2,825 AUD
$1,980 USD
View
12 more retailers have this diamond
Prices start from $767 AUDSave up to $2,058 AUD

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
$767 AUD