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Cushion|Lab Grown|IGI

2.50ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG836683622

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG836683622

Diamond specifications and retailer prices

From $435 USD
HK$3,400 HKD
As of November 1, 2026
Save $1,230 USD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,665 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.5ct lab-grown cushion diamond

This 2.5ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836683622 or 836683622. Listed at 9 retailers as of November 1, 2026, with prices from $435 to $1,665, a $1,230 spread on the same certified stone. Rare Carat lists it at $1,665. 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

2.50
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836683622
Dimensions8.12 × 8.04 × 5.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.12 mm8.04 mm2.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836683622
Side View
Table 67.0%Crown 35°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Nov 1
Current: $1,665 USD|Low: $435 USD|High: $1,695 USD|Avg: $916 USD|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$435 USD
Retailer 7$631 USD
Retailer 4$633 USD
Retailer 6$685 USD
Retailer 2$689 USD
Retailer 8$794 USD
Retailer 9$1,290 USD
Retailer 3$1,551 USD
Rare Carat$1,665 USD

39 data points across 9 retailers

9 retailers$435 USD to $1,665 USD

A
Cheapest Retailer
-
$435 USD
HK$3,400 HKD
B+
Retailer 2
-
$631 USD
View
A
Retailer 3
-
$633 USD
€603 EUR
View
A
Retailer 4
-
$685 USD
View
A
Retailer 5
-
$689 USD
£543 GBP
View
A
Retailer 6
-
$794 USD
View
B+
Retailer 7
-
$1,290 USD
View
B+
Retailer 8
-
$1,551 USD
£1,221 GBP
View
Most Expensive
B+
Rare Carat
KI6226836KF836 · Nov 1
$1,665 USD
View
8 more retailers have this diamond
Prices start from $435 USDSave up to $1,230 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.

A
2.50ct Cushion
$435 USD