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Cushion|Lab Grown|IGI

1.23ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG805631937

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

Certificate IGI LG805631937

Diamond specifications and retailer prices

From £225 GBP
$301 USD
As of November 1, 2026
Save £1,559 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,948 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805631937 or 805631937. Listed at 17 retailers as of November 1, 2026, with a 694% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805631937
Dimensions6.33 × 6.11 × 4.07 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.33 mm6.11 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805631937
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 66.6%

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 1
Current: £360 GBP|Low: £249 GBP|High: £1,784 GBP|Avg: £633 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£249 GBP
Retailer 1£360 GBP
Retailer 6£369 GBP
Retailer 3£474 GBP
Retailer 2£488 GBP
Retailer 7£651 GBP
Retailer 8£671 GBP
Retailer 4£1,102 GBP
Retailer 5£1,209 GBP

38 data points across 9 retailers

17 retailers£225 GBP to £1,784 GBP

A
Cheapest Retailer
-
£225 GBP
$301 USD
Final sale: no returns
A
Retailer 2
-
£313 GBP
$419 USD
View
A
Retailer 3
-
£333 GBP
$446 USD
View
A
Retailer 4
-
£360 GBP
View
A
Retailer 5
-
£369 GBP
$495 USD
View
B+
Retailer 6
-
£474 GBP
ZAR 10,268 ZAR
View
B+
Retailer 7
-
£488 GBP
View
B+
Retailer 8
-
£493 GBP
$660 USD
View
B+
Retailer 9
-
£651 GBP
A$1,342 AUD
View
B+
Retailer 10
-
£671 GBP
A$1,383 AUD
View
B
Retailer 11
-
£1,007 GBP
$1,350 USD
View
B
Retailer 12
-
£1,054 GBP
$1,412 USD
View
B
Retailer 13
-
£1,069 GBP
View
B
Retailer 14
-
£1,102 GBP
View
B
Retailer 15
-
£1,209 GBP
$1,620 USD
View
B
Retailer 16
-
£1,784 GBP
$2,390 USD
View
Most Expensive
Do Amore Diamonds
23-805631937 · Nov 2
£1,948 GBP
$2,610 USD
View
Price under review
16 more retailers have this diamond
Prices start from £225 GBPSave up to £1,559 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
1.23ct Cushion
£225 GBP