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Radiant|Lab Grown|IGI

1.23ct H VVS2 Radiant Lab Grown Diamond

GD • H/VVS2 • IGI LG561249762

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

Certificate IGI LG561249762

Diamond specifications and retailer prices

From £128 GBP
As of November 2, 2026
Save £1,101 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,230 GBP at Do Amore Diamonds · As of November 4, 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 standard cut grade and certified by IGI LG561249762 or 561249762. Listed at 14 retailers as of November 2, 2026, with prices from £128 to £1,230, a £1,101 spread on the same certified stone. Do Amore Diamonds lists it at £1,230. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
H
Colour
VVS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561249762
Dimensions7.45 × 5.28 × 3.60 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
7.45 mm5.28 mm1.23 ctH / VVS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561249762
Side View
Table 65.5%Crown 43.3°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.2%

Caratlytics Score

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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: £1,230 GBP|Low: £102 GBP|High: £1,230 GBP|Avg: £450 GBP
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 10£107 GBP
Retailer 14£128 GBP
Retailer 3£144 GBP
Retailer 18£149 GBP
Retailer 15£159 GBP
Retailer 19£159 GBP
Retailer 17£283 GBP
Retailer 8£290 GBP
Retailer 4£399 GBP
Retailer 5£409 GBP
Retailer 12£427 GBP
Retailer 11£537 GBP
Retailer 13£539 GBP
Retailer 16£564 GBP
Retailer 6£632 GBP
Retailer 9£681 GBP
Retailer 7£691 GBP
Retailer 2£819 GBP
Do Amore Diamonds£1,230 GBP

20 data points across 19 retailers

14 retailers£128 GBP to £1,230 GBP

A
Cheapest Retailer
-
£128 GBP
A
Retailer 2
-
£144 GBP
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
View
Retailer 4
-
£159 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£159 GBP
View
B+
Retailer 6
-
£283 GBP
View
B+
Retailer 7
-
£290 GBP
View
B+
Retailer 8
-
£399 GBP
View
B+
Retailer 9
-
£427 GBP
View
B
Retailer 10
-
£539 GBP
View
B
Retailer 11
-
£564 GBP
View
B
Retailer 12
-
£691 GBP
View
B
Retailer 13
-
£819 GBP
View
Most Expensive
C
Do Amore Diamonds
27-54896499C · Nov 4
£1,230 GBP
$1,660 USD
View
13 more retailers have this diamond
Prices start from £128 GBPSave up to £1,101 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
£128 GBP