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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG742502003

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742502003

Diamond specifications and retailer prices

From £167 GBP
As of November 6, 2026
Save £724 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £890 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.29ct lab-grown cushion diamond

This 1.29ct 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 LG742502003 or 742502003. Listed at 14 retailers as of November 6, 2026, with prices from £167 to £890, a £724 spread on the same certified stone. Reve Diamonds lists it at £890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742502003
Dimensions7.37 × 5.80 × 3.96 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm5.80 mm1.29 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742502003
Side View
Table 66.0%Crown 29.9°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 68.3%

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: Nov 6
Current: £313 GBP|Low: £167 GBP|High: £900 GBP|Avg: £452 GBP|-1.9%
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
Reve Diamonds
November 6, 2026
Retailer 9£167 GBP
Retailer 4£187 GBP
Retailer 6£245 GBP
Retailer 1£313 GBP
Retailer 11£322 GBP
Retailer 13£322 GBP
Retailer 7£335 GBP
Retailer 5£387 GBP
Retailer 3£427 GBP
Retailer 12£455 GBP
Retailer 2£568 GBP
Retailer 10£634 GBP
Retailer 8£861 GBP
Reve Diamonds£890 GBP

38 data points across 14 retailers

14 retailers£167 GBP to £890 GBP

A
Cheapest Retailer
-
£167 GBP
Final sale: no returns
Retailer 2
-
£187 GBP
View
Price last confirmed 25 days ago
A
Retailer 3
-
£245 GBP
View
A
Retailer 4
-
£313 GBP
View
A
Retailer 5
-
£322 GBP
View
A
Retailer 6
-
£322 GBP
View
A
Retailer 7
-
£335 GBP
View
A
Retailer 8
-
£387 GBP
View
B+
Retailer 9
-
£427 GBP
View
B+
Retailer 10
-
£455 GBP
View
B+
Retailer 11
-
£568 GBP
View
B+
Retailer 12
-
£634 GBP
View
B
Retailer 13
-
£861 GBP
View
Most Expensive
B
Reve Diamonds
AD172393C · Nov 6
£890 GBP
$1,192 USD
View
13 more retailers have this diamond
Prices start from £167 GBPSave up to £724 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
1.29ct Cushion
£167 GBP