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Round|Lab Grown|IGI

1.23ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG799635520

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799635520

Diamond specifications and retailer prices

From $177 USD
As of November 5, 2026
Save $844 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,021 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799635520 or 799635520. Listed at 20 retailers as of November 5, 2026, with prices from $177 to $1,021, a $844 spread on the same certified stone. MOH London lists it at $1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635520
Dimensions6.81 × 6.87 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.87 mm1.23 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635520
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°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 5
Current: $1,021 USD|Low: $170 USD|High: $1,036 USD|Avg: $462 USD|-0.2%
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
November 5, 2026
Retailer 13$177 USD
Retailer 5$205 USD
Retailer 14$219 USD
Retailer 12$378 USD
Retailer 2$388 USD
Retailer 3$388 USD
Retailer 7$389 USD
Retailer 10$407 USD
Retailer 4$468 USD
Retailer 8$525 USD
Retailer 11$533 USD
Retailer 6$704 USD
Retailer 9$744 USD
MOH London$1,021 USD

44 data points across 14 retailers

20 retailers$177 USD to $1,021 USD

A
Cheapest Retailer
-
$177 USD
A
Retailer 2
-
$205 USD
View
A
Retailer 3
-
$219 USD
View
Retailer 4
-
$219 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$388 USD
View
A
Retailer 7
-
$388 USD
View
A
Retailer 8
-
$389 USD
View
B+
Retailer 9
-
$407 USD
View
B+
Retailer 10
-
$415 USD
View
B+
Retailer 11
-
$468 USD
View
B+
Retailer 12
-
$525 USD
View
B+
Retailer 13
-
$533 USD
View
B+
Retailer 14
-
$557 USD
View
B
Retailer 15
-
$704 USD
View
Retailer 16
-
$720 USD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$744 USD
View
B
Retailer 18
-
$758 USD
View
B
Retailer 19
-
$787 USD
View
Most Expensive
B
MOH London
LG799635520 · Nov 5
$1,021 USD
£804 GBP
View
19 more retailers have this diamond
Prices start from $177 USDSave up to $844 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
$177 USD