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Radiant|Lab Grown|IGI

1.23ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG534252131

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG534252131

Diamond specifications and retailer prices

From £180 GBP
$242 USD
As of November 2, 2026
Save £809 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £989 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG534252131 or 534252131. Listed at 17 retailers as of November 1, 2026, with prices from £180 to £989, a £809 spread on the same certified stone. Reve Diamonds lists it at £989. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534252131
Dimensions7.46 × 5.28 × 3.55 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.46 mm5.28 mm1.23 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534252131
Side View
Table 63.0%Crown 38.4°Girdle: Slightly ThickPavilion 31°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £274 GBP|Low: £173 GBP|High: £989 GBP|Avg: £464 GBP|-1.0%
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
Reve Diamonds
November 2, 2026
Retailer 11£180 GBP
Retailer 7£201 GBP
Retailer 2£209 GBP
Retailer 3£224 GBP
Retailer 13£224 GBP
Retailer 1£274 GBP
Retailer 4£357 GBP
Retailer 15£377 GBP
Retailer 5£402 GBP
Retailer 8£424 GBP
Retailer 12£529 GBP
Retailer 14£718 GBP
Retailer 10£721 GBP
Retailer 6£757 GBP
Retailer 9£901 GBP
Reve Diamonds£989 GBP

43 data points across 16 retailers

17 retailers£180 GBP to £989 GBP

A
Cheapest Retailer
-
£180 GBP
$242 USD
A
Retailer 2
-
£201 GBP
$270 USD
View
Final sale: no returns
A
Retailer 3
-
£209 GBP
$281 USD
View
Retailer 4
-
£224 GBP
$300 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£224 GBP
$300 USD
View
A
Retailer 6
-
£274 GBP
View
B+
Retailer 7
-
£357 GBP
$479 USD
View
B+
Retailer 8
-
£377 GBP
$506 USD
View
B+
Retailer 9
-
£402 GBP
$539 USD
View
B+
Retailer 10
-
£424 GBP
View
B+
Retailer 11
-
£429 GBP
HK$4,500 HKD
View
B+
Retailer 12
-
£529 GBP
$710 USD
View
B
Retailer 13
-
£718 GBP
$964 USD
View
B
Retailer 14
-
£721 GBP
$968 USD
View
B
Retailer 15
-
£757 GBP
$1,016 USD
View
B
Retailer 16
-
£901 GBP
View
Most Expensive
B
Reve Diamonds
056443394 · Nov 1
£989 GBP
$1,327 USD
View
16 more retailers have this diamond
Prices start from £180 GBPSave up to £809 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
1.23ct Radiant
£180 GBP