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Round|Lab Grown|IGI

1.23ct H VVS2 Round Lab Grown Diamond

EX • H/VVS2 • IGI LG799649314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799649314

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of November 1, 2026
Save £731 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £883 GBP at MOH London · As of November 1, 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 LG799649314 or 799649314. Listed at 18 retailers as of November 1, 2026, with prices from £152 to £883, a £731 spread on the same certified stone. MOH London lists it at £883. 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 angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799649314
Dimensions6.87 × 6.83 × 4.25 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
6.87 mm6.83 mm1.23 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799649314
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.0%

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 1
Current: £883 GBP|Low: £146 GBP|High: £893 GBP|Avg: £433 GBP
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 11£152 GBP
Retailer 13£189 GBP
Retailer 5£324 GBP
Retailer 8£326 GBP
Retailer 14£327 GBP
Retailer 7£347 GBP
Retailer 3£371 GBP
Retailer 10£373 GBP
Retailer 9£462 GBP
Retailer 12£469 GBP
Retailer 2£492 GBP
Retailer 6£647 GBP
Retailer 4£682 GBP
MOH London£883 GBP

29 data points across 14 retailers

18 retailers£152 GBP to £883 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£177 GBP
$237 USD
View
Retailer 3
-
£189 GBP
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£189 GBP
$253 USD
View
B+
Retailer 5
-
£324 GBP
$435 USD
View
A
Retailer 6
-
£326 GBP
ZAR 7,070 ZAR
View
B+
Retailer 7
-
£327 GBP
$439 USD
View
B+
Retailer 8
-
£347 GBP
€443 EUR
View
B+
Retailer 9
-
£371 GBP
$498 USD
View
B+
Retailer 10
-
£373 GBP
$500 USD
View
B+
Retailer 11
-
£462 GBP
A$953 AUD
View
B+
Retailer 12
-
£469 GBP
$630 USD
View
B+
Retailer 13
-
£492 GBP
$660 USD
View
Retailer 14
-
£554 GBP
$743 USD
View
Price last confirmed 34 days ago
B
Retailer 15
-
£607 GBP
$815 USD
View
B
Retailer 16
-
£647 GBP
$868 USD
View
B
Retailer 17
-
£696 GBP
$934 USD
View
Most Expensive
B
MOH London
LG799649314 · Nov 1
£883 GBP
View
17 more retailers have this diamond
Prices start from £152 GBPSave up to £731 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
£152 GBP