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Cushion|Lab Grown|IGI

1.26ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG647418520

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647418520

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of October 31, 2026
Save £767 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £955 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.26ct lab-grown cushion diamond

This 1.26ct 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 LG647418520 or 647418520. Listed at 15 retailers as of October 30, 2026, with prices from £189 to £955, a £767 spread on the same certified stone. Reve Diamonds lists it at £955. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647418520
Dimensions6.27 × 6.11 × 4.13 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
6.27 mm6.11 mm1.26 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647418520
Side View
Table 63.0%Crown 36.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 67.6%

Caratlytics Score

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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 31
Current: £392 GBP|Low: £170 GBP|High: £966 GBP|Avg: £458 GBP|+17.6%
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
Reve Diamonds
October 31, 2026
Retailer 2£189 GBP
Retailer 11£210 GBP
Retailer 4£290 GBP
Retailer 7£326 GBP
Retailer 3£357 GBP
Retailer 8£361 GBP
Retailer 13£379 GBP
Retailer 1£392 GBP
Retailer 12£447 GBP
Retailer 9£513 GBP
Retailer 6£545 GBP
Retailer 5£582 GBP
Retailer 14£715 GBP
Retailer 10£846 GBP
Reve Diamonds£955 GBP

38 data points across 15 retailers

15 retailers£189 GBP to £955 GBP

A
Cheapest Retailer
-
£189 GBP
$253 USD
Final sale: no returns
A
Retailer 2
-
£210 GBP
$282 USD
View
Retailer 3
-
£290 GBP
View
Price last confirmed 21 days ago
A
Retailer 4
-
£326 GBP
€416 EUR
View
A
Retailer 5
-
£357 GBP
$479 USD
View
A
Retailer 6
-
£361 GBP
ZAR 7,815 ZAR
View
A
Retailer 7
-
£379 GBP
$508 USD
View
B+
Retailer 8
-
£392 GBP
View
B+
Retailer 9
-
£447 GBP
$599 USD
View
B+
Retailer 10
-
£513 GBP
A$1,057 AUD
View
Retailer 11
-
£545 GBP
$730 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
£582 GBP
$780 USD
View
B
Retailer 13
-
£715 GBP
$958 USD
View
B
Retailer 14
-
£846 GBP
View
Most Expensive
B
Reve Diamonds
521DC0351 · Oct 30
£955 GBP
$1,280 USD
View
14 more retailers have this diamond
Prices start from £189 GBPSave up to £767 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
1.26ct Cushion
£189 GBP