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Cushion|Lab Grown|IGI

1.29ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG839670600

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839670600

Diamond specifications and retailer prices

From £161 GBP
As of November 4, 2026
Save £1,320 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,482 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839670600 or 839670600. Listed at 13 retailers as of November 4, 2026, with prices from £161 to £1,482, a £1,320 spread on the same certified stone. Brilliant Earth lists it at £1,482. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670600
Dimensions5.42 × 5.42 × 3.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.42 mm5.42 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670600
Side View
Table 65.0%Crown 40.5°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: £203 GBP|Low: £161 GBP|High: £875 GBP|Avg: £457 GBP|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 7£161 GBP
Retailer 1£203 GBP
Retailer 5£241 GBP
Retailer 10£293 GBP
Retailer 2£310 GBP
Retailer 6£322 GBP
Retailer 12£436 GBP
Retailer 11£478 GBP
Retailer 8£614 GBP
Retailer 4£763 GBP
Retailer 3£779 GBP
Retailer 9£835 GBP

26 data points across 12 retailers

13 retailers£161 GBP to £1,482 GBP

A+
Cheapest Retailer
-
£161 GBP
Final sale: no returns
A
Retailer 2
-
£203 GBP
View
B+
Retailer 3
-
£241 GBP
View
A
Retailer 4
-
£293 GBP
View
A
Retailer 5
-
£310 GBP
View
A
Retailer 6
-
£322 GBP
View
A
Retailer 7
-
£436 GBP
View
A
Retailer 8
-
£478 GBP
View
B+
Retailer 9
-
£614 GBP
View
Retailer 10
-
£763 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£779 GBP
View
B+
Retailer 12
-
£835 GBP
View
Most Expensive
B
Brilliant Earth
22411479A · Nov 4
£1,482 GBP
$2,000 USD
View
12 more retailers have this diamond
Prices start from £161 GBPSave up to £1,320 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
£161 GBP