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Round|Lab Grown|IGI

1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG639435252

Shape and cutting style on the report: Round brilliant

Certificate IGI LG639435252

Diamond specifications and retailer prices

From $257 AUD
As of November 5, 2026
Save $1,232 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,489 AUD at MOH London · As of November 5, 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 LG639435252 or 639435252. Listed at 21 retailers as of November 5, 2026, with prices from $257 to $1,489, a $1,232 spread on the same certified stone. MOH London lists it at $1,489. 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 angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639435252
Dimensions6.84 × 6.81 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.81 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639435252
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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 5
Current: $1,489 AUD|Low: $247 AUD|High: $1,511 AUD|Avg: $671 AUD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 10$257 AUD
Retailer 2$299 AUD
Retailer 4$320 AUD
Retailer 3$450 AUD
Retailer 9$536 AUD
Retailer 5$567 AUD
Retailer 6$584 AUD
Retailer 7$650 AUD
Retailer 12$929 AUD
Retailer 11$1,027 AUD
Retailer 8$1,084 AUD
MOH London$1,489 AUD

39 data points across 12 retailers

21 retailers$257 AUD to $1,489 AUD

A
Cheapest Retailer
-
$257 AUD
A
Retailer 2
-
$289 AUD
View
Final sale: no returns
A
Retailer 3
-
$299 AUD
View
Retailer 4
-
$320 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$320 AUD
View
B+
Retailer 6
-
$450 AUD
View
A
Retailer 7
-
$536 AUD
View
A
Retailer 8
-
$567 AUD
View
B+
Retailer 9
-
$576 AUD
View
A
Retailer 10
-
$584 AUD
View
Retailer 11
-
$633 AUD
View
Price last confirmed 140 days ago
B+
Retailer 12
-
$650 AUD
View
B+
Retailer 13
-
$781 AUD
View
B+
Retailer 14
-
$814 AUD
View
B+
Retailer 15
-
$929 AUD
View
B
Retailer 16
-
$1,027 AUD
View
B
Retailer 17
-
$1,046 AUD
View
B
Retailer 18
-
$1,084 AUD
View
B
Retailer 19
-
$1,084 AUD
View
B
Retailer 20
-
$1,103 AUD
View
Most Expensive
B
MOH London
LG639435252 · Nov 5
$1,489 AUD
£821 GBP
View
20 more retailers have this diamond
Prices start from $257 AUDSave up to $1,232 AUD

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
$257 AUD