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1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG851617161

Shape and cutting style on the report: Round brilliant

Certificate IGI LG851617161

Diamond specifications and retailer prices

From $431 NZD
As of November 4, 2026
Save $1,299 NZD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,730 NZD 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851617161 or 851617161. Listed at 12 retailers as of October 29, 2026, with prices from $431 to $1,730, a $1,299 spread on the same certified stone. MOH London lists it at $1,730. 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 angle34.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617161
Dimensions6.83 × 6.85 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.85 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617161
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 4
Current: $1,730 NZD|Low: $431 NZD|High: $1,730 NZD|Avg: $903 NZD
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 4, 2026
Retailer 4$431 NZD
Retailer 9$500 NZD
Retailer 3$626 NZD
Retailer 11$646 NZD
Retailer 5$681 NZD
Retailer 12$710 NZD
Retailer 7$807 NZD
Retailer 10$921 NZD
Retailer 2$1,231 NZD
Retailer 8$1,236 NZD
Retailer 6$1,291 NZD
MOH London$1,730 NZD

8 data points across 12 retailers

12 retailers$431 NZD to $1,730 NZD

A
Cheapest Retailer
-
$431 NZD
B+
Retailer 2
-
$500 NZD
View
A
Retailer 3
-
$626 NZD
View
A
Retailer 4
-
$646 NZD
View
A
Retailer 5
-
$681 NZD
View
B+
Retailer 6
-
$710 NZD
View
B+
Retailer 7
-
$807 NZD
View
B+
Retailer 8
-
$921 NZD
View
B+
Retailer 9
-
$1,231 NZD
View
B
Retailer 10
-
$1,236 NZD
View
B
Retailer 11
-
$1,291 NZD
View
Most Expensive
B
MOH London
LG851617161 · Oct 29
$1,730 NZD
£768 GBP
View
11 more retailers have this diamond
Prices start from $431 NZDSave up to $1,299 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
$431 NZD