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Cushion|Lab Grown|IGI

1.02ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG728509352

Shape and cutting style on the report: Rectangular cushion brilliant

Certificate IGI LG728509352

Diamond specifications and retailer prices

From £282 GBP
$378 USD
As of November 1, 2026
Save £1,030 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,312 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG728509352 or 728509352. Listed at 9 retailers as of October 31, 2026, with prices from £282 to £1,312, a £1,030 spread on the same certified stone. Taylor and Hart lists it at £1,312. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle48°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728509352
Dimensions7.55 × 4.76 × 2.90 mm
L/W Ratio1.59
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm4.76 mm1.02 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728509352
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 48°Culet: LargeDepth 60.9%

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 1
Current: £515 GBP|Low: £282 GBP|High: £1,312 GBP|Avg: £752 GBP|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 2, 2026
Retailer 9£282 GBP
Retailer 6£406 GBP
Retailer 7£470 GBP
Retailer 3£499 GBP
Retailer 1£515 GBP
Retailer 5£705 GBP
Retailer 2£841 GBP
Retailer 8£874 GBP
Retailer 4£1,158 GBP
Retailer 10£1,227 GBP
Taylor and Hart£1,312 GBP

41 data points across 11 retailers

9 retailers£282 GBP to £1,312 GBP

A
Cheapest Retailer
-
£282 GBP
$378 USD
B+
Retailer 2
-
£406 GBP
$545 USD
View
B+
Retailer 3
-
£470 GBP
$631 USD
View
B+
Retailer 4
-
£499 GBP
ZAR 10,808 ZAR
View
B+
Retailer 5
-
£515 GBP
View
B
Retailer 6
-
£705 GBP
A$1,456 AUD
View
B
Retailer 7
-
£874 GBP
SGD 1,585 SGD
View
B
Retailer 8
-
£1,158 GBP
View
Most Expensive
B
Taylor and Hart
BH02AEJ · Oct 31
£1,312 GBP
$1,760 USD
View
8 more retailers have this diamond
Prices start from £282 GBPSave up to £1,030 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
1.02ct Cushion
£282 GBP