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Cushion|Lab Grown|IGI

1.03ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG836626497

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

Certificate IGI LG836626497

Diamond specifications and retailer prices

From £153 GBP
HK$1,600 HKD
As of November 1, 2026
Save £272 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £765 GBP at Reve Diamonds · As of October 21, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836626497 or 836626497. Listed at 15 retailers as of November 1, 2026, with a 178% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626497
Dimensions5.72 × 5.55 × 3.75 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.72 mm5.55 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626497
Side View
Table 64.0%Crown 35.3°Girdle: MED-THKPavilion 37.4°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £425 GBP|Low: £123 GBP|High: £765 GBP|Avg: £336 GBP|-2.6%
Retailer 1
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
Retailer 15
Retailer 16
Reve Diamonds
November 2, 2026
Retailer 6£123 GBP
Retailer 13£153 GBP
Retailer 14£167 GBP
Retailer 10£228 GBP
Retailer 15£229 GBP
Retailer 16£232 GBP
Retailer 12£250 GBP
Retailer 3£251 GBP
Retailer 4£275 GBP
Retailer 7£319 GBP
Retailer 9£349 GBP
Retailer 11£368 GBP
Retailer 5£369 GBP
Retailer 1£425 GBP
Retailer 8£480 GBP
Retailer 2£642 GBP
Reve Diamonds£765 GBP

23 data points across 17 retailers

15 retailers£153 GBP to £425 GBP

A
Cheapest Retailer
-
£153 GBP
HK$1,600 HKD
A
Retailer 2
-
£228 GBP
€292 EUR
View
Retailer 3
-
£229 GBP
View
Price last confirmed 12 days ago
Retailer 4
-
£232 GBP
ZAR 5,038 ZAR
View
Price last confirmed 16 days ago
Retailer 5
-
£250 GBP
$335 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£251 GBP
$337 USD
View
Price last confirmed 13 days ago
Retailer 7
-
£275 GBP
View
Price last confirmed 11 days ago
Retailer 8
-
£319 GBP
$428 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£349 GBP
$469 USD
View
B+
Retailer 10
-
£368 GBP
SGD 668 SGD
View
B+
Retailer 11
-
£369 GBP
$495 USD
View
B+
Retailer 12
-
£425 GBP
$570 USD
View
Retailer 13
-
£480 GBP
$644 USD
View
Price last confirmed 13 days ago
Retailer 14
-
£642 GBP
View
Price last confirmed 15 days ago
Most Expensive
Reve Diamonds
EF84EC3B1 · Oct 21
£765 GBP
$1,027 USD
View
Price last confirmed 13 days ago
14 more retailers have this diamond
Prices start from £153 GBPSave up to £272 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
£153 GBP