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Round|Lab Grown|IGI

1.23ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG770638190

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638190

Diamond specifications and retailer prices

From $177 USD
As of November 5, 2026
Save $847 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,024 USD at MOH London · As of November 2, 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 LG770638190 or 770638190. Listed at 19 retailers as of November 2, 2026, with prices from $177 to $1,024, a $847 spread on the same certified stone. MOH London lists it at $1,024. 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 angle33.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638190
Dimensions6.98 × 6.92 × 4.19 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
6.98 mm6.92 mm1.23 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638190
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.3%

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 5
Current: $1,024 USD|Low: $170 USD|High: $1,036 USD|Avg: $484 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
November 5, 2026
Retailer 10$177 USD
Retailer 12$219 USD
Retailer 9$378 USD
Retailer 2$388 USD
Retailer 3$388 USD
Retailer 7$407 USD
Retailer 4$468 USD
Retailer 5$525 USD
Retailer 8$533 USD
Retailer 11$690 USD
Retailer 6$744 USD
MOH London$1,024 USD

44 data points across 12 retailers

19 retailers$177 USD to $1,024 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
-
$407 USD
View
B+
Retailer 9
-
$415 USD
View
B+
Retailer 10
-
$468 USD
View
B+
Retailer 11
-
$525 USD
View
B+
Retailer 12
-
$533 USD
View
B+
Retailer 13
-
$557 USD
View
Retailer 14
-
$690 USD
View
Price last confirmed 25 days ago
B
Retailer 15
-
$704 USD
View
B
Retailer 16
-
$744 USD
View
B
Retailer 17
-
$758 USD
View
B
Retailer 18
-
$787 USD
View
Most Expensive
B
MOH London
LG770638190 · Nov 2
$1,024 USD
£806 GBP
View
18 more retailers have this diamond
Prices start from $177 USDSave up to $847 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