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 €481 EUR

HK$4,200 HKD

As of October 31, 2026

Save €1,291 EUR (73%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €1,772 EUR 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 €481 to €1,772, a €1,291 spread on the same certified stone. Brilliant Earth lists it at €1,772. 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

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG645465763

Side View

Caratlytics Score

How it works →

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: €1,772 EUR|Low: €434 EUR|High: €1,987 EUR|Avg: €1,077 EUR|-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€434 EUR

Retailer 16€481 EUR

Retailer 11€560 EUR

Retailer 14€573 EUR

Retailer 10€702 EUR

Retailer 4€724 EUR

Retailer 12€726 EUR

Retailer 13€764 EUR

Retailer 5€830 EUR

Retailer 8€947 EUR

Retailer 2€1,025 EUR

Retailer 9€1,319 EUR

Retailer 15€1,406 EUR

Retailer 3€1,453 EUR

Retailer 17€1,540 EUR

Retailer 6€1,715 EUR

Brilliant Earth€1,772 EUR

24 data points across 17 retailers

13 retailers€481 EUR to €1,772 EUR

Cheapest Retailer

€481 EUR

HK$4,200 HKD

Retailer 2

€560 EUR

£493 GBP

View

Retailer 3

€573 EUR

$640 USD

View

Retailer 4

€702 EUR

$784 USD

View

Retailer 5

€726 EUR

£638 GBP

View

Retailer 6

€764 EUR

$853 USD

View

B+

Retailer 7

€830 EUR

$927 USD

View

B+

Retailer 8

€1,025 EUR

$1,145 USD

View

Retailer 9

€1,406 EUR

SGD 2,122 SGD

View

Retailer 10

€1,453 EUR

$1,624 USD

View

Retailer 11

€1,540 EUR

$1,720 USD

View

Retailer 12

€1,715 EUR

£1,509 GBP

View

Price last confirmed 31 days ago

Most Expensive

Brilliant Earth

22350122A · Oct 30

€1,772 EUR

$1,980 USD

View

12 more retailers have this diamond

Prices start from €481 EURSave up to €1,291 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.

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2.53ct Cushion

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