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Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG766620873

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

Certificate IGI LG766620873

Diamond specifications and retailer prices

From £170 GBP
As of November 6, 2026
Save £731 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £900 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.25ct lab-grown cushion diamond

This 1.25ct 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 LG766620873 or 766620873. Listed at 16 retailers as of November 6, 2026, with prices from £170 to £900, a £731 spread on the same certified stone. Reve Diamonds lists it at £900. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766620873
Dimensions6.26 × 6.21 × 3.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.26 mm6.21 mm1.25 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766620873
Side View
Table 62.0%Crown 37.9°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 61.5%

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 6
Current: £314 GBP|Low: £170 GBP|High: £891 GBP|Avg: £402 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£170 GBP
Retailer 11£188 GBP
Retailer 3£254 GBP
Retailer 1£314 GBP
Retailer 4£319 GBP
Retailer 5£343 GBP
Retailer 2£372 GBP
Retailer 7£457 GBP
Retailer 9£542 GBP
Retailer 8£545 GBP
Retailer 6£879 GBP

44 data points across 11 retailers

16 retailers£170 GBP to £900 GBP

A
Cheapest Retailer
-
£170 GBP
Final sale: no returns
Retailer 2
-
£188 GBP
View
Price last confirmed 13 days ago
B+
Retailer 3
-
£254 GBP
View
A
Retailer 4
-
£314 GBP
View
A
Retailer 5
-
£319 GBP
View
A
Retailer 6
-
£343 GBP
View
A
Retailer 7
-
£368 GBP
View
A
Retailer 8
-
£372 GBP
View
B+
Retailer 9
-
£457 GBP
View
Retailer 10
-
£542 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£545 GBP
View
B+
Retailer 12
-
£612 GBP
View
B
Retailer 13
-
£646 GBP
View
B
Retailer 14
-
£740 GBP
View
B
Retailer 15
-
£879 GBP
View
Most Expensive
B
Reve Diamonds
484908929 · Nov 6
£900 GBP
$1,205 USD
View
15 more retailers have this diamond
Prices start from £170 GBPSave up to £731 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
1.25ct Cushion
£170 GBP