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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803659486

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

Certificate IGI LG803659486

Diamond specifications and retailer prices

From £197 GBP
As of November 6, 2026
Save £702 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £899 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 LG803659486 or 803659486. Listed at 18 retailers as of November 6, 2026, with prices from £197 to £899, a £702 spread on the same certified stone. Reve Diamonds lists it at £899. 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 angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803659486
Dimensions6.34 × 6.20 × 4.20 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.34 mm6.20 mm1.29 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803659486
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £694 GBP|Low: £90 GBP|High: £1,031 GBP|Avg: £449 GBP
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
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 7, 2026
Retailer 10£90 GBP
Retailer 8£188 GBP
Retailer 16£197 GBP
Retailer 12£251 GBP
Retailer 14£310 GBP
Retailer 15£318 GBP
Retailer 5£325 GBP
Retailer 13£341 GBP
Retailer 4£388 GBP
Retailer 9£429 GBP
Retailer 3£458 GBP
Retailer 2£502 GBP
Retailer 7£542 GBP
Retailer 17£592 GBP
Retailer 6£644 GBP
Retailer 18£650 GBP
Retailer 1£694 GBP
Retailer 11£873 GBP
Reve Diamonds£899 GBP

24 data points across 19 retailers

18 retailers£197 GBP to £899 GBP

Retailer 1
-
£188 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
£197 GBP
View
Final sale: no returns
A
Retailer 3
-
£251 GBP
View
A
Retailer 4
-
£310 GBP
View
A
Retailer 5
-
£318 GBP
View
A
Retailer 6
-
£325 GBP
View
A
Retailer 7
-
£341 GBP
View
A
Retailer 8
-
£388 GBP
View
Retailer 9
-
£429 GBP
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£458 GBP
View
B+
Retailer 11
-
£502 GBP
View
Retailer 12
-
£542 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
£592 GBP
View
B+
Retailer 14
-
£644 GBP
View
B+
Retailer 15
-
£650 GBP
View
B
Retailer 16
-
£694 GBP
View
B
Retailer 17
-
£873 GBP
View
Most Expensive
B
Reve Diamonds
752B8F8E8 · Nov 6
£899 GBP
$1,203 USD
View
17 more retailers have this diamond
Prices start from £197 GBPSave up to £702 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
£197 GBP