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Cushion|Lab Grown|IGI

1.03ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG789611393

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

Certificate IGI LG789611393

Diamond specifications and retailer prices

From £142 GBP
$189 USD
As of October 30, 2026
Save £681 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £823 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG789611393 or 789611393. Listed at 12 retailers as of October 30, 2026, with prices from £142 to £823, a £681 spread on the same certified stone. Reve Diamonds lists it at £823. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789611393
Dimensions5.91 × 5.81 × 3.86 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm5.81 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789611393
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: £281 GBP|Low: £142 GBP|High: £831 GBP|Avg: £380 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 9£142 GBP
Retailer 8£212 GBP
Retailer 11£263 GBP
Retailer 6£271 GBP
Retailer 1£281 GBP
Retailer 4£282 GBP
Retailer 3£283 GBP
Retailer 7£385 GBP
Retailer 10£396 GBP
Retailer 2£549 GBP
Retailer 5£742 GBP
Reve Diamonds£823 GBP

38 data points across 12 retailers

12 retailers£142 GBP to £823 GBP

A+
Cheapest Retailer
-
£142 GBP
$189 USD
Final sale: no returns
Retailer 2
-
£212 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£263 GBP
$350 USD
View
A
Retailer 4
-
£271 GBP
ZAR 5,831 ZAR
View
A
Retailer 5
-
£281 GBP
View
A
Retailer 6
-
£282 GBP
€358 EUR
View
A
Retailer 7
-
£283 GBP
$377 USD
View
B+
Retailer 8
-
£385 GBP
A$788 AUD
View
B+
Retailer 9
-
£396 GBP
$527 USD
View
B
Retailer 10
-
£549 GBP
$730 USD
View
B
Retailer 11
-
£742 GBP
View
Most Expensive
B
Reve Diamonds
D42179EEC · Oct 30
£823 GBP
$1,096 USD
View
11 more retailers have this diamond
Prices start from £142 GBPSave up to £681 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+
1.03ct Cushion
£142 GBP