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Cushion|Lab Grown|IGI

1.29ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG803604101

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

Certificate IGI LG803604101

Diamond specifications and retailer prices

From £301 GBP
€384 EUR
As of October 31, 2026
Save £546 GBP (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £847 GBP at MOH London · As of November 1, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803604101 or 803604101. Listed at 9 retailers as of October 31, 2026, with prices from £301 to £847, a £546 spread on the same certified stone. MOH London lists it at £847. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803604101
Dimensions6.35 × 6.31 × 4.22 mm
L/W Ratio1.01
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
6.35 mm6.31 mm1.29 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803604101
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 66.9%

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: £847 GBP|Low: £283 GBP|High: £847 GBP|Avg: £476 GBP|+5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£301 GBP
Retailer 5£316 GBP
Retailer 2£331 GBP
Retailer 4£373 GBP
Retailer 7£504 GBP
Retailer 8£566 GBP
Retailer 6£623 GBP
MOH London£847 GBP

43 data points across 8 retailers

9 retailers£301 GBP to £847 GBP

A
Cheapest Retailer
-
£301 GBP
€384 EUR
A
Retailer 2
-
£316 GBP
$424 USD
View
A
Retailer 3
-
£331 GBP
View
A
Retailer 4
-
£373 GBP
$500 USD
View
B+
Retailer 5
-
£504 GBP
$675 USD
View
B+
Retailer 6
-
£566 GBP
A$1,166 AUD
View
B+
Retailer 7
-
£623 GBP
$834 USD
View
B+
Retailer 8
-
£646 GBP
$865 USD
View
Most Expensive
B
MOH London
LG803604101 · Nov 1
£847 GBP
View
8 more retailers have this diamond
Prices start from £301 GBPSave up to £546 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
£301 GBP