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Round|Lab Grown|IGI

1.23ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG653409228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409228

Diamond specifications and retailer prices

From £245 GBP
$329 USD
As of November 1, 2026
Save £537 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £783 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG653409228 or 653409228. Listed at 6 retailers as of October 29, 2026, with prices from £245 to £783, a £537 spread on the same certified stone. MOH London lists it at £783. 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 angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409228
Dimensions6.99 × 6.94 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.94 mm1.23 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409228
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.2%

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: Nov 1
Current: £783 GBP|Low: £245 GBP|High: £1,877 GBP|Avg: £650 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3£245 GBP
Retailer 4£273 GBP
Retailer 5£338 GBP
Retailer 2£365 GBP
Retailer 6£665 GBP
MOH London£783 GBP
Retailer 7£1,877 GBP

13 data points across 7 retailers

6 retailers£245 GBP to £783 GBP

A
Cheapest Retailer
-
£245 GBP
$329 USD
B+
Retailer 2
-
£273 GBP
$366 USD
View
B+
Retailer 3
-
£338 GBP
$453 USD
View
B+
Retailer 4
-
£365 GBP
$490 USD
View
B
Retailer 5
-
£665 GBP
$892 USD
View
Most Expensive
B
MOH London
LG653409228 · Oct 29
£783 GBP
View
5 more retailers have this diamond
Prices start from £245 GBPSave up to £537 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 Round
£245 GBP