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Cushion|Lab Grown|IGI

1.29ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG656478557

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG656478557

Diamond specifications and retailer prices

From £182 GBP
$242 USD
As of October 28, 2026
Save £755 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £937 GBP at Reve Diamonds · As of October 28, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG656478557 or 656478557. Listed at 11 retailers as of October 28, 2026, with prices from £182 to £937, a £755 spread on the same certified stone. Reve Diamonds lists it at £937. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656478557
Dimensions6.99 × 5.83 × 3.87 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm5.83 mm1.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656478557
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 66.4%

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: £374 GBP|Low: £134 GBP|High: £956 GBP|Avg: £470 GBP|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 10£182 GBP
Retailer 6£202 GBP
Retailer 9£269 GBP
Retailer 4£347 GBP
Retailer 8£370 GBP
Retailer 1£374 GBP
Retailer 7£386 GBP
Retailer 5£493 GBP
Retailer 2£689 GBP
Retailer 3£813 GBP
Reve Diamonds£937 GBP

37 data points across 11 retailers

11 retailers£182 GBP to £937 GBP

A
Cheapest Retailer
-
£182 GBP
$242 USD
Final sale: no returns
A
Retailer 2
-
£202 GBP
$269 USD
View
B+
Retailer 3
-
£269 GBP
$358 USD
View
A
Retailer 4
-
£347 GBP
ZAR 7,466 ZAR
View
A
Retailer 5
-
£370 GBP
$493 USD
View
A
Retailer 6
-
£374 GBP
View
A
Retailer 7
-
£386 GBP
$514 USD
View
B+
Retailer 8
-
£493 GBP
A$1,011 AUD
View
B
Retailer 9
-
£689 GBP
$918 USD
View
B
Retailer 10
-
£813 GBP
View
Most Expensive
B
Reve Diamonds
2091BB826 · Oct 28
£937 GBP
$1,248 USD
View
10 more retailers have this diamond
Prices start from £182 GBPSave up to £755 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
£182 GBP