Cushion|Lab Grown|IGI

1.23ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG823616470

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

Certificate IGI LG823616470

Diamond specifications and retailer prices

From £157 GBP
$210 USD
As of October 31, 2026
Save £753 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £910 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823616470 or 823616470. Listed at 14 retailers as of October 31, 2026, with prices from £157 to £910, a £753 spread on the same certified stone. Flawless Fine Jewelry lists it at £910. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823616470
Dimensions6.28 × 6.20 × 4.16 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
6.28 mm6.20 mm1.23 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823616470
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £910 GBP|Low: £149 GBP|High: £910 GBP|Avg: £450 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 2£157 GBP
Retailer 6£167 GBP
Retailer 14£283 GBP
Retailer 11£305 GBP
Retailer 7£316 GBP
Retailer 9£343 GBP
Retailer 8£455 GBP
Retailer 4£500 GBP
Retailer 5£544 GBP
Retailer 10£590 GBP
Retailer 13£600 GBP
Retailer 3£784 GBP
Retailer 12£862 GBP
Flawless Fine Jewelry£910 GBP

42 data points across 14 retailers

14 retailers£157 GBP to £910 GBP

A
Cheapest Retailer
-
£157 GBP
$210 USD
Final sale: no returns
A
Retailer 2
-
£167 GBP
$224 USD
View
A
Retailer 3
-
£283 GBP
€361 EUR
View
A
Retailer 4
-
£305 GBP
$408 USD
View
A
Retailer 5
-
£316 GBP
View
A
Retailer 6
-
£343 GBP
$460 USD
View
B+
Retailer 7
-
£455 GBP
$609 USD
View
B+
Retailer 8
-
£500 GBP
$670 USD
View
B+
Retailer 9
-
£544 GBP
A$1,122 AUD
View
B+
Retailer 10
-
£590 GBP
$790 USD
View
B
Retailer 11
-
£600 GBP
$804 USD
View
B
Retailer 12
-
£784 GBP
View
B
Retailer 13
-
£862 GBP
$1,156 USD
View
Most Expensive
B
Flawless Fine Jewelry
74CFEF7A2 · Oct 31
£910 GBP
View
13 more retailers have this diamond
Prices start from £157 GBPSave up to £753 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
£157 GBP