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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG833624123

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833624123

Diamond specifications and retailer prices

From £303 GBP
As of November 6, 2026
Save £1,289 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,591 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore 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 LG833624123 or 833624123. Listed at 21 retailers as of November 6, 2026, with prices from £303 to £1,591, a £1,289 spread on the same certified stone. Do Amore Diamonds lists it at £1,591. 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 angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833624123
Dimensions7.27 × 5.83 × 4.13 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm5.83 mm1.29 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833624123
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 70.8%

Caratlytics Score

How it works →
A
Excellent
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 6
Current: £1,591 GBP|Low: £240 GBP|High: £1,591 GBP|Avg: £685 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 7, 2026
Retailer 10£303 GBP
Retailer 5£318 GBP
Retailer 6£362 GBP
Retailer 16£394 GBP
Retailer 15£420 GBP
Retailer 19£427 GBP
Retailer 9£448 GBP
Retailer 7£476 GBP
Retailer 20£492 GBP
Retailer 3£542 GBP
Retailer 18£602 GBP
Retailer 17£628 GBP
Retailer 14£729 GBP
Retailer 12£886 GBP
Retailer 21£904 GBP
Retailer 4£1,092 GBP
Retailer 8£1,273 GBP
Retailer 11£1,304 GBP
Retailer 2£1,439 GBP
Retailer 13£1,478 GBP
Do Amore Diamonds£1,591 GBP

35 data points across 21 retailers

21 retailers£303 GBP to £1,591 GBP

A
Cheapest Retailer
-
£303 GBP
Final sale: no returns
A
Retailer 2
-
£318 GBP
View
A
Retailer 3
-
£362 GBP
View
A
Retailer 4
-
£394 GBP
View
B+
Retailer 5
-
£420 GBP
View
A
Retailer 6
-
£427 GBP
View
B+
Retailer 7
-
£448 GBP
View
B+
Retailer 8
-
£476 GBP
View
B+
Retailer 9
-
£492 GBP
View
Retailer 10
-
£542 GBP
View
Price last confirmed 10 days ago
B
Retailer 11
-
£602 GBP
View
B+
Retailer 12
-
£628 GBP
View
Retailer 13
-
£729 GBP
View
Price last confirmed 25 days ago
B
Retailer 14
-
£886 GBP
View
B
Retailer 15
-
£904 GBP
View
B
Retailer 16
-
£1,092 GBP
View
B
Retailer 17
-
£1,273 GBP
View
B
Retailer 18
-
£1,304 GBP
View
B
Retailer 19
-
£1,439 GBP
View
B
Retailer 20
-
£1,478 GBP
View
Most Expensive
B
Do Amore Diamonds
31-LG10403508 · Nov 6
£1,591 GBP
$2,130 USD
View
20 more retailers have this diamond
Prices start from £303 GBPSave up to £1,289 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
£303 GBP