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Round|Lab Grown|IGI

1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG788619988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788619988

Diamond specifications and retailer prices

From £130 GBP
$175 USD
As of November 1, 2026
Save £625 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £755 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788619988 or 788619988. Listed at 19 retailers as of November 1, 2026, with prices from £130 to £755, a £625 spread on the same certified stone. MOH London lists it at £755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788619988
Dimensions6.95 × 6.90 × 4.22 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
6.95 mm6.90 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788619988
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

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: £755 GBP|Low: £125 GBP|High: £764 GBP|Avg: £344 GBP|-0.1%
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
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Retailer 15
November 2, 2026
Retailer 12£130 GBP
Retailer 5£151 GBP
Retailer 7£162 GBP
Retailer 14£162 GBP
Retailer 15£288 GBP
Retailer 10£289 GBP
Retailer 8£297 GBP
Retailer 9£300 GBP
Retailer 4£347 GBP
Retailer 11£384 GBP
Retailer 2£410 GBP
Retailer 13£455 GBP
Retailer 6£519 GBP
Retailer 3£579 GBP
MOH London£755 GBP

45 data points across 15 retailers

19 retailers£130 GBP to £755 GBP

A
Cheapest Retailer
-
£130 GBP
$175 USD
A
Retailer 2
-
£151 GBP
$203 USD
View
Retailer 3
-
£162 GBP
$217 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£162 GBP
$217 USD
View
A
Retailer 5
-
£288 GBP
$386 USD
View
A
Retailer 6
-
£289 GBP
View
A
Retailer 7
-
£297 GBP
View
B+
Retailer 8
-
£299 GBP
$401 USD
View
A
Retailer 9
-
£300 GBP
€384 EUR
View
Retailer 10
-
£332 GBP
A$686 AUD
View
Price last confirmed 122 days ago
B+
Retailer 11
-
£347 GBP
$466 USD
View
B+
Retailer 12
-
£384 GBP
$515 USD
View
B+
Retailer 13
-
£410 GBP
$550 USD
View
B+
Retailer 14
-
£455 GBP
$610 USD
View
Retailer 15
-
£496 GBP
$666 USD
View
Price last confirmed 41 days ago
B
Retailer 16
-
£519 GBP
$697 USD
View
B
Retailer 17
-
£560 GBP
$751 USD
View
B
Retailer 18
-
£579 GBP
$777 USD
View
Most Expensive
B
MOH London
LG788619988 · Nov 1
£755 GBP
View
18 more retailers have this diamond
Prices start from £130 GBPSave up to £625 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
£130 GBP