Cushion|Lab Grown|IGI

11.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG826671598

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG826671598

Diamond specifications and retailer prices

From £4,785 GBP
$6,412 USD
As of October 30, 2026
Save £18,898 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £23,683 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 11.11ct lab-grown cushion diamond

This 11.11ct 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 LG826671598 or 826671598. Listed at 5 retailers as of October 30, 2026, with prices from £4,785 to £23,683, a £18,898 spread on the same certified stone. Adiamor lists it at £23,683. 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

11.11
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826671598
Dimensions17.80 × 9.11 × 6.73 mm
L/W Ratio1.95
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
17.80 mm9.11 mm11.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826671598
Side View
Table 61.0%Crown 51.3°Girdle: MED-THKPavilion 40°Culet: LargeDepth 73.9%

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: £23,683 GBP|Low: £4,039 GBP|High: £23,683 GBP|Avg: £12,049 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4£4,785 GBP
Retailer 2£6,369 GBP
Retailer 3£7,651 GBP
Retailer 5£17,425 GBP
Adiamor£23,683 GBP

39 data points across 5 retailers

5 retailers£4,785 GBP to £23,683 GBP

A
Cheapest Retailer
-
£4,785 GBP
$6,412 USD
B+
Retailer 2
-
£6,369 GBP
View
B
Retailer 3
-
£7,651 GBP
$10,251 USD
View
B
Retailer 4
-
£17,425 GBP
$23,347 USD
View
Most Expensive
B
Adiamor
D-81595291 · Oct 31
£23,683 GBP
$31,733 USD
View
4 more retailers have this diamond
Prices start from £4,785 GBPSave up to £18,898 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
11.11ct Cushion
£4,785 GBP