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Round|Lab Grown|IGI

1.23ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG818686270

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686270

Diamond specifications and retailer prices

From £159 GBP
$214 USD
As of November 1, 2026
Save £636 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £796 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 LG818686270 or 818686270. Listed at 17 retailers as of October 29, 2026, with prices from £159 to £796, a £636 spread on the same certified stone. MOH London lists it at £796. 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 angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686270
Dimensions6.92 × 6.87 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.87 mm1.23 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686270
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: £796 GBP|Low: £159 GBP|High: £801 GBP|Avg: £470 GBP|+0.5%
MOH London
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
November 2, 2026
Retailer 13£159 GBP
Retailer 14£197 GBP
Retailer 4£327 GBP
Retailer 3£339 GBP
Retailer 11£341 GBP
Retailer 9£352 GBP
Retailer 8£361 GBP
Retailer 12£376 GBP
Retailer 2£483 GBP
Retailer 7£521 GBP
Retailer 10£522 GBP
Retailer 6£674 GBP
Retailer 5£718 GBP
MOH London£796 GBP

34 data points across 14 retailers

17 retailers£159 GBP to £796 GBP

A
Cheapest Retailer
-
£159 GBP
$214 USD
A
Retailer 2
-
£185 GBP
$248 USD
View
A
Retailer 3
-
£197 GBP
$265 USD
View
Retailer 4
-
£197 GBP
$265 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£327 GBP
$439 USD
View
B+
Retailer 6
-
£339 GBP
$455 USD
View
A
Retailer 7
-
£341 GBP
ZAR 7,392 ZAR
View
A
Retailer 8
-
£352 GBP
View
B+
Retailer 9
-
£361 GBP
€461 EUR
View
B+
Retailer 10
-
£376 GBP
$505 USD
View
B+
Retailer 11
-
£483 GBP
A$997 AUD
View
B+
Retailer 12
-
£521 GBP
$699 USD
View
B+
Retailer 13
-
£522 GBP
$700 USD
View
B
Retailer 14
-
£635 GBP
$852 USD
View
B
Retailer 15
-
£674 GBP
$905 USD
View
B
Retailer 16
-
£733 GBP
$983 USD
View
Most Expensive
B
MOH London
LG818686270 · Oct 29
£796 GBP
View
16 more retailers have this diamond
Prices start from £159 GBPSave up to £636 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
£159 GBP