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Radiant|Lab Grown|IGI

1.23ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG522225990

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

Certificate IGI LG522225990

Diamond specifications and retailer prices

From £174 GBP
As of November 5, 2026
Save £1,204 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,378 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG522225990 or 522225990. Listed at 20 retailers as of November 5, 2026, with prices from £174 to £1,378, a £1,204 spread on the same certified stone. Do Amore Diamonds lists it at £1,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522225990
Dimensions8.05 × 5.31 × 3.46 mm
L/W Ratio1.52
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
8.05 mm5.31 mm1.23 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522225990
Side View
Table 64.5%Crown 44.7°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.2%

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 5
Current: £1,378 GBP|Low: £124 GBP|High: £1,496 GBP|Avg: £471 GBP|+11.4%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 19
November 5, 2026
Retailer 6£128 GBP
Retailer 8£149 GBP
Retailer 9£159 GBP
Retailer 2£174 GBP
Retailer 5£193 GBP
Retailer 13£239 GBP
Retailer 19£239 GBP
Retailer 18£294 GBP
Retailer 16£339 GBP
Retailer 15£465 GBP
Retailer 14£480 GBP
Retailer 11£556 GBP
Retailer 7£570 GBP
Retailer 4£686 GBP
Retailer 17£759 GBP
Retailer 12£784 GBP
Retailer 10£822 GBP
Retailer 3£839 GBP
Do Amore Diamonds£1,378 GBP

36 data points across 19 retailers

20 retailers£174 GBP to £1,378 GBP

Retailer 1
-
£128 GBP
Price last confirmed 17 days ago
Retailer 2
-
£149 GBP
View
Price last confirmed 22 days ago
Retailer 3
-
£159 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
£174 GBP
View
Final sale: no returns
Retailer 5
-
£193 GBP
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£239 GBP
View
A
Retailer 7
-
£239 GBP
View
A
Retailer 8
-
£294 GBP
View
A
Retailer 9
-
£339 GBP
View
B+
Retailer 10
-
£465 GBP
View
B+
Retailer 11
-
£480 GBP
View
B+
Retailer 12
-
£539 GBP
View
B+
Retailer 13
-
£544 GBP
View
B+
Retailer 14
-
£570 GBP
View
Retailer 15
-
£686 GBP
View
Price last confirmed 16 days ago
B
Retailer 16
-
£759 GBP
View
B
Retailer 17
-
£784 GBP
View
Retailer 18
-
£822 GBP
View
Price last confirmed 18 days ago
B
Retailer 19
-
£839 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FF4F92059 · Nov 5
£1,378 GBP
$1,860 USD
View
19 more retailers have this diamond
Prices start from £174 GBPSave up to £1,204 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
£174 GBP