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Cushion|Lab Grown|IGI

26.26ct I VS2 Cushion Lab Grown Diamond

EX • I/VS2 • IGI LG837637595

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

Certificate IGI LG837637595

Diamond specifications and retailer prices

From £9,237 GBP
$12,376 USD
As of October 30, 2026
Save £21,134 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £30,370 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 26.26ct lab-grown cushion diamond

This 26.26ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837637595 or 837637595. Listed at 4 retailers as of October 30, 2026, with prices from £9,237 to £30,370, a £21,134 spread on the same certified stone. Adiamor lists it at £30,370. 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

26.26
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837637595
Dimensions16.83 × 16.62 × 10.03 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
16.83 mm16.62 mm26.26 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837637595
Side View
Table 64.0%Crown 33°Girdle: THK-ETKPavilion 30.7°Culet: NoneDepth 60.3%

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: Oct 30
Current: £30,370 GBP|Low: £9,237 GBP|High: £30,370 GBP|Avg: £22,144 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3£9,237 GBP
Retailer 2£16,618 GBP
Retailer 4£29,059 GBP
Adiamor£30,370 GBP

6 data points across 4 retailers

4 retailers£9,237 GBP to £30,370 GBP

A
Cheapest Retailer
-
£9,237 GBP
$12,376 USD
B
Retailer 2
-
£16,618 GBP
€21,206 EUR
View
B
Retailer 3
-
£29,059 GBP
$38,936 USD
View
Most Expensive
B
Adiamor
D-82714202 · Oct 31
£30,370 GBP
$40,693 USD
View
3 more retailers have this diamond
Prices start from £9,237 GBPSave up to £21,134 GBP

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
26.26ct Cushion
£9,237 GBP