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Cushion|Lab Grown|IGI

1.29ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG648446714

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG648446714

Diamond specifications and retailer prices

From £193 GBP
$256 USD
As of October 28, 2026
Save £1,471 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,663 GBP at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG648446714 or 648446714. Listed at 12 retailers as of October 28, 2026, with prices from £193 to £1,663, a £1,471 spread on the same certified stone. Do Amore Diamonds lists it at £1,663. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648446714
Dimensions7.46 × 5.84 × 3.87 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm5.84 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648446714
Side View
Table 65.0%Crown 28.9°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 66.3%

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: Oct 28
Current: £1,663 GBP|Low: £137 GBP|High: £1,663 GBP|Avg: £703 GBP
Do Amore Diamonds
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
October 29, 2026
Retailer 12£193 GBP
Retailer 10£214 GBP
Retailer 6£290 GBP
Retailer 11£364 GBP
Retailer 7£449 GBP
Retailer 9£500 GBP
Retailer 8£576 GBP
Retailer 5£675 GBP
Retailer 3£890 GBP
Retailer 13£929 GBP
Retailer 2£954 GBP
Retailer 4£969 GBP
Retailer 14£1,024 GBP
Do Amore Diamonds£1,663 GBP

40 data points across 14 retailers

12 retailers£193 GBP to £1,663 GBP

A
Cheapest Retailer
-
£193 GBP
$256 USD
Final sale: no returns
A
Retailer 2
-
£214 GBP
$285 USD
View
A
Retailer 3
-
£290 GBP
$385 USD
View
A
Retailer 4
-
£364 GBP
$484 USD
View
B+
Retailer 5
-
£449 GBP
View
B+
Retailer 6
-
£500 GBP
$665 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£576 GBP
A$1,178 AUD
View
B
Retailer 8
-
£890 GBP
$1,182 USD
View
B
Retailer 9
-
£929 GBP
View
B
Retailer 10
-
£954 GBP
View
B
Retailer 11
-
£969 GBP
$1,288 USD
View
Most Expensive
B
Do Amore Diamonds
27-BD073C675 · Oct 29
£1,663 GBP
$2,210 USD
View
11 more retailers have this diamond
Prices start from £193 GBPSave up to £1,471 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
£193 GBP