Round|Lab Grown|IGI

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 $243 USD
HK$1,900 HKD
As of November 1, 2026
Save $732 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $975 USD 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 $243 to $975, a $732 spread on the same certified stone. MOH London lists it at $975. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $975 USD|Low: $243 USD|High: $975 USD|Avg: $509 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$243 USD
Retailer 11$280 USD
Retailer 8$354 USD
Retailer 4$368 USD
Retailer 2$381 USD
Retailer 6$400 USD
Retailer 5$512 USD
Retailer 3$692 USD
Retailer 7$694 USD
Retailer 10$722 USD
MOH London$975 USD

5 data points across 11 retailers

12 retailers$243 USD to $975 USD

A
Cheapest Retailer
-
$243 USD
HK$1,900 HKD
B+
Retailer 2
-
$280 USD
View
A
Retailer 3
-
$354 USD
€337 EUR
View
A
Retailer 4
-
$368 USD
£290 GBP
View
A
Retailer 5
-
$381 USD
£300 GBP
View
B+
Retailer 6
-
$400 USD
View
B+
Retailer 7
-
$510 USD
View
B+
Retailer 8
-
$512 USD
View
B
Retailer 9
-
$692 USD
SGD 935 SGD
View
B
Retailer 10
-
$694 USD
View
B
Retailer 11
-
$722 USD
View
Most Expensive
B
MOH London
LG851617161 · Oct 29
$975 USD
£768 GBP
View
11 more retailers have this diamond
Prices start from $243 USDSave up to $732 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
$243 USD