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Cushion|Lab Grown|IGI

2.30ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG835634397

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

Certificate IGI LG835634397

Diamond specifications and retailer prices

From £306 GBP
HK$3,200 HKD
As of October 31, 2026
Save £1,239 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,545 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.3ct lab-grown cushion diamond

This 2.3ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835634397 or 835634397. Listed at 19 retailers as of October 30, 2026, with prices from £306 to £1,545, a £1,239 spread on the same certified stone. Brilliant Earth lists it at £1,545. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.30
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835634397
Dimensions7.38 × 7.29 × 5.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.29 mm2.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835634397
Side View
Table 60.0%Crown 34.6°Girdle: MED-THKPavilion 33.9°Culet: NoneDepth 68.6%

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 31
Current: £1,545 GBP|Low: £255 GBP|High: £1,634 GBP|Avg: £779 GBP|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 7£255 GBP
Retailer 14£306 GBP
Retailer 17£340 GBP
Retailer 16£429 GBP
Retailer 13£441 GBP
Retailer 19£462 GBP
Retailer 18£500 GBP
Retailer 6£594 GBP
Retailer 5£634 GBP
Retailer 9£672 GBP
Retailer 2£721 GBP
Retailer 15£899 GBP
Retailer 10£945 GBP
Retailer 11£1,086 GBP
Retailer 8£1,088 GBP
Retailer 3£1,136 GBP
Retailer 4£1,143 GBP
Retailer 12£1,175 GBP
Brilliant Earth£1,545 GBP

27 data points across 19 retailers

19 retailers£306 GBP to £1,545 GBP

A
Cheapest Retailer
-
£306 GBP
HK$3,200 HKD
A
Retailer 2
-
£340 GBP
View
A
Retailer 3
-
£429 GBP
$575 USD
View
A
Retailer 4
-
£441 GBP
€563 EUR
View
B+
Retailer 5
-
£462 GBP
$619 USD
View
A
Retailer 6
-
£500 GBP
View
A
Retailer 7
-
£594 GBP
$796 USD
View
A
Retailer 8
-
£634 GBP
A$1,306 AUD
View
Retailer 9
-
£672 GBP
ZAR 14,539 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£721 GBP
$966 USD
View
B+
Retailer 11
-
£899 GBP
SGD 1,627 SGD
View
B+
Retailer 12
-
£945 GBP
$1,266 USD
View
B+
Retailer 13
-
£1,086 GBP
$1,455 USD
View
B+
Retailer 14
-
£1,088 GBP
$1,458 USD
View
B+
Retailer 15
-
£1,136 GBP
View
B+
Retailer 16
-
£1,143 GBP
$1,531 USD
View
B+
Retailer 17
-
£1,175 GBP
$1,574 USD
View
B
Retailer 18
-
£1,545 GBP
$2,070 USD
View
Most Expensive
B
Brilliant Earth
21631076A · Oct 30
£1,545 GBP
$2,070 USD
View
18 more retailers have this diamond
Prices start from £306 GBPSave up to £1,239 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
2.30ct Cushion
£306 GBP