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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 $319 NZD
As of November 3, 2026
Save $1,530 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,850 NZD 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 3, 2026, with prices from $319 to $1,850, a $1,530 spread on the same certified stone. MOH London lists it at $1,850. 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 3
Current: $1,850 NZD|Low: $307 NZD|High: $1,877 NZD|Avg: $834 NZD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$319 NZD
Retailer 3$397 NZD
Retailer 11$559 NZD
Retailer 7$665 NZD
Retailer 6$704 NZD
Retailer 2$726 NZD
Retailer 4$807 NZD
Retailer 10$1,153 NZD
Retailer 9$1,276 NZD
Retailer 5$1,346 NZD
MOH London$1,850 NZD

39 data points across 11 retailers

21 retailers$319 NZD to $1,850 NZD

A
Cheapest Retailer
-
$319 NZD
A
Retailer 2
-
$358 NZD
View
Final sale: no returns
A
Retailer 3
-
$371 NZD
View
Retailer 4
-
$397 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$397 NZD
View
B+
Retailer 6
-
$559 NZD
View
A
Retailer 7
-
$665 NZD
View
A
Retailer 8
-
$704 NZD
View
A
Retailer 9
-
$715 NZD
View
A
Retailer 10
-
$726 NZD
View
Retailer 11
-
$786 NZD
View
Price last confirmed 140 days ago
B+
Retailer 12
-
$807 NZD
View
B+
Retailer 13
-
$970 NZD
View
B+
Retailer 14
-
$1,011 NZD
View
B+
Retailer 15
-
$1,153 NZD
View
B
Retailer 16
-
$1,276 NZD
View
B
Retailer 17
-
$1,299 NZD
View
B
Retailer 18
-
$1,346 NZD
View
B
Retailer 19
-
$1,346 NZD
View
B
Retailer 20
-
$1,370 NZD
View
Most Expensive
B
MOH London
LG639435252 · Nov 5
$1,850 NZD
£821 GBP
View
20 more retailers have this diamond
Prices start from $319 NZDSave up to $1,530 NZD

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
$319 NZD