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Cushion|Lab Grown|IGI

1.27ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG645412130

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG645412130

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of October 30, 2026
Save £769 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £959 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645412130 or 645412130. Listed at 16 retailers as of October 30, 2026, with prices from £190 to £959, a £769 spread on the same certified stone. Reve Diamonds lists it at £959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645412130
Dimensions6.26 × 6.19 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.26 mm6.19 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645412130
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 67.9%

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: £326 GBP|Low: £172 GBP|High: £1,008 GBP|Avg: £502 GBP|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
October 31, 2026
Retailer 15£190 GBP
Retailer 14£212 GBP
Retailer 2£285 GBP
Retailer 1£326 GBP
Retailer 6£360 GBP
Retailer 12£364 GBP
Retailer 4£384 GBP
Retailer 8£396 GBP
Retailer 3£449 GBP
Retailer 13£516 GBP
Retailer 11£541 GBP
Retailer 7£587 GBP
Retailer 5£719 GBP
Retailer 9£828 GBP
Retailer 10£853 GBP
Reve Diamonds£959 GBP

39 data points across 16 retailers

16 retailers£190 GBP to £959 GBP

A
Cheapest Retailer
-
£190 GBP
$255 USD
Final sale: no returns
A
Retailer 2
-
£212 GBP
$284 USD
View
Retailer 3
-
£285 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
£326 GBP
€416 EUR
View
A
Retailer 5
-
£360 GBP
$482 USD
View
A
Retailer 6
-
£364 GBP
ZAR 7,870 ZAR
View
A
Retailer 7
-
£384 GBP
$514 USD
View
B+
Retailer 8
-
£396 GBP
View
B+
Retailer 9
-
£449 GBP
$601 USD
View
B+
Retailer 10
-
£516 GBP
A$1,064 AUD
View
B+
Retailer 11
-
£541 GBP
$725 USD
View
B+
Retailer 12
-
£587 GBP
$787 USD
View
B
Retailer 13
-
£719 GBP
$964 USD
View
B
Retailer 14
-
£828 GBP
$1,110 USD
View
B
Retailer 15
-
£853 GBP
View
Most Expensive
B
Reve Diamonds
5BC768832 · Oct 30
£959 GBP
$1,285 USD
View
15 more retailers have this diamond
Prices start from £190 GBPSave up to £769 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
1.27ct Cushion
£190 GBP