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Round|Lab Grown|IGI

1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG788619988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788619988

Diamond specifications and retailer prices

From $175 USD
As of November 1, 2026
Save $838 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,013 USD at MOH London · As of November 1, 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 LG788619988 or 788619988. Listed at 19 retailers as of November 1, 2026, with prices from $175 to $1,013, a $838 spread on the same certified stone. MOH London lists it at $1,013. 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 angle33.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788619988
Dimensions6.95 × 6.90 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.90 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788619988
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

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: $1,013 USD|Low: $168 USD|High: $1,025 USD|Avg: $463 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 12$175 USD
Retailer 5$203 USD
Retailer 7$217 USD
Retailer 14$217 USD
Retailer 15$386 USD
Retailer 10$387 USD
Retailer 8$398 USD
Retailer 9$403 USD
Retailer 4$466 USD
Retailer 11$515 USD
Retailer 2$550 USD
Retailer 13$610 USD
Retailer 6$697 USD
Retailer 3$777 USD
MOH London$1,013 USD

44 data points across 15 retailers

19 retailers$175 USD to $1,013 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$203 USD
View
Retailer 3
-
$217 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$217 USD
View
A
Retailer 5
-
$386 USD
View
A
Retailer 6
-
$387 USD
£305 GBP
View
A
Retailer 7
-
$398 USD
£313 GBP
View
B+
Retailer 8
-
$401 USD
View
A
Retailer 9
-
$403 USD
€384 EUR
View
Retailer 10
-
$446 USD
A$686 AUD
View
Price last confirmed 123 days ago
B+
Retailer 11
-
$466 USD
View
B+
Retailer 12
-
$515 USD
View
B+
Retailer 13
-
$550 USD
View
B+
Retailer 14
-
$610 USD
View
Retailer 15
-
$666 USD
View
Price last confirmed 41 days ago
B
Retailer 16
-
$697 USD
View
B
Retailer 17
-
$751 USD
View
B
Retailer 18
-
$777 USD
View
Most Expensive
B
MOH London
LG788619988 · Nov 1
$1,013 USD
£798 GBP
View
18 more retailers have this diamond
Prices start from $175 USDSave up to $838 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
$175 USD