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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG828685276

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828685276

Diamond specifications and retailer prices

From £158 GBP
As of November 4, 2026
Save £704 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £862 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828685276 or 828685276. Listed at 13 retailers as of November 4, 2026, with prices from £158 to £862, a £704 spread on the same certified stone. Reve Diamonds lists it at £862. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828685276
Dimensions7.40 × 5.18 × 3.50 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm5.18 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828685276
Side View
Table 63.0%Crown 36°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 67.6%

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 4
Current: £816 GBP|Low: £158 GBP|High: £875 GBP|Avg: £425 GBP|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 5, 2026
Retailer 9£158 GBP
Retailer 10£175 GBP
Retailer 5£199 GBP
Retailer 3£237 GBP
Retailer 8£301 GBP
Retailer 6£315 GBP
Retailer 12£413 GBP
Retailer 7£427 GBP
Retailer 11£427 GBP
Retailer 4£573 GBP
Retailer 2£602 GBP
Retailer 1£816 GBP
Reve Diamonds£862 GBP

44 data points across 13 retailers

13 retailers£158 GBP to £862 GBP

A
Cheapest Retailer
-
£158 GBP
Final sale: no returns
Retailer 2
-
£175 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£199 GBP
View
B+
Retailer 4
-
£237 GBP
View
A
Retailer 5
-
£301 GBP
View
A
Retailer 6
-
£315 GBP
View
B+
Retailer 7
-
£413 GBP
View
B+
Retailer 8
-
£427 GBP
View
A
Retailer 9
-
£427 GBP
View
B+
Retailer 10
-
£573 GBP
View
B+
Retailer 11
-
£602 GBP
View
B
Retailer 12
-
£816 GBP
View
Most Expensive
B
Reve Diamonds
B3C564AD0 · Nov 4
£862 GBP
$1,164 USD
View
12 more retailers have this diamond
Prices start from £158 GBPSave up to £704 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
1.21ct Cushion
£158 GBP