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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 $180 USD
As of November 3, 2026
Save $863 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,043 USD 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 $180 to $1,043, a $863 spread on the same certified stone. MOH London lists it at $1,043. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,043 USD|Low: $173 USD|High: $1,058 USD|Avg: $470 USD|-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$180 USD
Retailer 3$224 USD
Retailer 11$315 USD
Retailer 7$375 USD
Retailer 6$397 USD
Retailer 2$409 USD
Retailer 4$455 USD
Retailer 10$650 USD
Retailer 9$719 USD
Retailer 5$759 USD
MOH London$1,043 USD

39 data points across 11 retailers

21 retailers$180 USD to $1,043 USD

A
Cheapest Retailer
-
$180 USD
A
Retailer 2
-
$202 USD
View
Final sale: no returns
A
Retailer 3
-
$209 USD
View
Retailer 4
-
$224 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$224 USD
View
B+
Retailer 6
-
$315 USD
View
A
Retailer 7
-
$375 USD
View
A
Retailer 8
-
$397 USD
View
A
Retailer 9
-
$403 USD
View
A
Retailer 10
-
$409 USD
View
Retailer 11
-
$443 USD
View
Price last confirmed 140 days ago
B+
Retailer 12
-
$455 USD
View
B+
Retailer 13
-
$547 USD
View
B+
Retailer 14
-
$570 USD
View
B+
Retailer 15
-
$650 USD
View
B
Retailer 16
-
$719 USD
View
B
Retailer 17
-
$732 USD
View
B
Retailer 18
-
$759 USD
View
B
Retailer 19
-
$759 USD
View
B
Retailer 20
-
$772 USD
View
Most Expensive
B
MOH London
LG639435252 · Nov 5
$1,043 USD
£821 GBP
View
20 more retailers have this diamond
Prices start from $180 USDSave up to $863 USD

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
$180 USD