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 $315 NZD
As of November 5, 2026
Save $1,506 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,821 NZD 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 $315 to $1,821, a $1,506 spread on the same certified stone. MOH London lists it at $1,821. 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
Colour
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: $1,821 NZD|Low: $302 NZD|High: $1,844 NZD|Avg: $860 NZD|-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$315 NZD
Retailer 12$390 NZD
Retailer 9$672 NZD
Retailer 2$690 NZD
Retailer 3$690 NZD
Retailer 7$724 NZD
Retailer 4$833 NZD
Retailer 5$934 NZD
Retailer 8$948 NZD
Retailer 11$1,227 NZD
Retailer 6$1,324 NZD
MOH London$1,821 NZD

44 data points across 12 retailers

19 retailers$315 NZD to $1,821 NZD

A
Cheapest Retailer
-
$315 NZD
A
Retailer 2
-
$365 NZD
View
A
Retailer 3
-
$390 NZD
View
Retailer 4
-
$390 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$672 NZD
View
A
Retailer 6
-
$690 NZD
View
A
Retailer 7
-
$690 NZD
View
A
Retailer 8
-
$724 NZD
View
B+
Retailer 9
-
$738 NZD
View
B+
Retailer 10
-
$833 NZD
View
B+
Retailer 11
-
$934 NZD
View
B+
Retailer 12
-
$948 NZD
View
B+
Retailer 13
-
$991 NZD
View
Retailer 14
-
$1,227 NZD
View
Price last confirmed 25 days ago
B
Retailer 15
-
$1,252 NZD
View
B
Retailer 16
-
$1,324 NZD
View
B
Retailer 17
-
$1,348 NZD
View
B
Retailer 18
-
$1,400 NZD
View
Most Expensive
B
MOH London
LG770638190 · Nov 2
$1,821 NZD
£806 GBP
View
18 more retailers have this diamond
Prices start from $315 NZDSave up to $1,506 NZD

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
$315 NZD