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Radiant|Lab Grown|IGI

1.23ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG653410717

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

Certificate IGI LG653410717

Diamond specifications and retailer prices

From £170 GBP
As of November 5, 2026
Save £1,148 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,319 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 top-tier cut grade and certified by IGI LG653410717 or 653410717. Listed at 16 retailers as of November 4, 2026, with prices from £170 to £1,319, a £1,148 spread on the same certified stone. Do Amore Diamonds lists it at £1,319. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653410717
Dimensions7.93 × 5.25 × 3.60 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.25 mm1.23 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653410717
Side View
Table 69.0%Crown 40.1°Girdle: Slightly ThickPavilion 32.1°Culet: NoneDepth 62.9%

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: £1,319 GBP|Low: £170 GBP|High: £1,319 GBP|Avg: £536 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8£170 GBP
Retailer 11£293 GBP
Retailer 9£299 GBP
Retailer 5£324 GBP
Retailer 10£353 GBP
Retailer 4£396 GBP
Retailer 6£459 GBP
Retailer 7£578 GBP
Retailer 3£731 GBP
Retailer 2£876 GBP
Do Amore Diamonds£1,319 GBP

24 data points across 11 retailers

16 retailers£170 GBP to £1,319 GBP

A
Cheapest Retailer
-
£170 GBP
A
Retailer 2
-
£170 GBP
View
A
Retailer 3
-
£293 GBP
View
A
Retailer 4
-
£299 GBP
View
A
Retailer 5
-
£324 GBP
View
A
Retailer 6
-
£353 GBP
View
A
Retailer 7
-
£396 GBP
View
Retailer 8
-
£411 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
£459 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£459 GBP
View
Price last confirmed 22 days ago
B+
Retailer 11
-
£504 GBP
View
B
Retailer 12
-
£578 GBP
View
B
Retailer 13
-
£604 GBP
View
B
Retailer 14
-
£731 GBP
View
B
Retailer 15
-
£876 GBP
View
Most Expensive
B
Do Amore Diamonds
27-006CE3100 · Nov 4
£1,319 GBP
$1,780 USD
View
15 more retailers have this diamond
Prices start from £170 GBPSave up to £1,148 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
£170 GBP