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Cushion|Lab Grown|IGI

1.29ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG829604929

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG829604929

Diamond specifications and retailer prices

From £165 GBP
As of November 4, 2026
Save £860 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,025 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

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 LG829604929 or 829604929. Listed at 15 retailers as of November 4, 2026, with prices from £165 to £1,025, a £860 spread on the same certified stone. Michael Trio lists it at £1,025. 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 angle37.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829604929
Dimensions7.34 × 5.62 × 3.81 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.34 mm5.62 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829604929
Side View
Table 66.0%Crown 37.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 67.8%

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 4
Current: £1,025 GBP|Low: £165 GBP|High: £1,043 GBP|Avg: £494 GBP|-1.7%
Michael Trio
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
November 5, 2026
Retailer 3£165 GBP
Retailer 8£207 GBP
Retailer 9£246 GBP
Retailer 11£298 GBP
Retailer 15£316 GBP
Retailer 10£330 GBP
Retailer 4£422 GBP
Retailer 14£447 GBP
Retailer 6£479 GBP
Retailer 12£617 GBP
Retailer 13£625 GBP
Retailer 5£767 GBP
Retailer 7£784 GBP
Retailer 2£849 GBP
Michael Trio£1,025 GBP

21 data points across 15 retailers

15 retailers£165 GBP to £1,025 GBP

A
Cheapest Retailer
-
£165 GBP
Final sale: no returns
A
Retailer 2
-
£207 GBP
View
B+
Retailer 3
-
£246 GBP
View
A
Retailer 4
-
£298 GBP
View
A
Retailer 5
-
£316 GBP
View
A
Retailer 6
-
£330 GBP
View
A
Retailer 7
-
£422 GBP
View
A
Retailer 8
-
£447 GBP
View
A
Retailer 9
-
£479 GBP
View
B+
Retailer 10
-
£617 GBP
View
B+
Retailer 11
-
£625 GBP
View
Retailer 12
-
£767 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
£784 GBP
View
Price last confirmed 11 days ago
B
Retailer 14
-
£849 GBP
View
Most Expensive
B
Michael Trio
4776231070 · Nov 4
£1,025 GBP
SGD 1,870 SGD
View
14 more retailers have this diamond
Prices start from £165 GBPSave up to £860 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
£165 GBP