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Cushion|Lab Grown|IGI

11.12ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG826671599

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG826671599

Diamond specifications and retailer prices

From £4,789 GBP
$6,417 USD
As of November 1, 2026
Save £18,936 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £23,725 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.12ct lab-grown cushion diamond

This 11.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826671599 or 826671599. Listed at 5 retailers as of October 31, 2026, with prices from £4,789 to £23,725, a £18,936 spread on the same certified stone. Adiamor lists it at £23,725. 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

11.12
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826671599
Dimensions18.24 × 9.28 × 6.56 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.24 mm9.28 mm11.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826671599
Side View
Table 63.0%Crown 44.5°Girdle: MED-VTKPavilion 40°Culet: LargeDepth 70.7%

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: £23,725 GBP|Low: £4,039 GBP|High: £23,725 GBP|Avg: £12,062 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£4,789 GBP
Retailer 2£6,374 GBP
Retailer 3£7,657 GBP
Retailer 5£17,437 GBP
Adiamor£23,725 GBP

40 data points across 5 retailers

5 retailers£4,789 GBP to £23,725 GBP

A
Cheapest Retailer
-
£4,789 GBP
$6,417 USD
B+
Retailer 2
-
£6,374 GBP
View
B
Retailer 3
-
£7,657 GBP
$10,259 USD
View
B
Retailer 4
-
£17,437 GBP
$23,364 USD
View
Most Expensive
B
Adiamor
D-81603262 · Oct 31
£23,725 GBP
$31,789 USD
View
4 more retailers have this diamond
Prices start from £4,789 GBPSave up to £18,936 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
11.12ct Cushion
£4,789 GBP