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Marquise|Lab Grown|IGI

1.23ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG842607158

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842607158

Diamond specifications and retailer prices

From $365 NZD
As of November 4, 2026
Save $1,041 NZD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,405 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise 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 LG842607158 or 842607158. Listed at 3 retailers as of November 4, 2026, with prices from $365 to $1,405, a $1,041 spread on the same certified stone. Brilliant Earth lists it at $1,405. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842607158
Dimensions11.28 × 5.49 × 3.53 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm5.49 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842607158
Side View
Table 63.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,405 NZD|Low: $365 NZD|High: $2,099 NZD|Avg: $1,137 NZD|-33.1%
Brilliant Earth
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$365 NZD
Retailer 2$754 NZD
Brilliant Earth$1,405 NZD

27 data points across 3 retailers

3 retailers$365 NZD to $1,405 NZD

A
Cheapest Retailer
-
$365 NZD
Final sale: no returns
A
Retailer 2
-
$754 NZD
View
Most Expensive
B+
Brilliant Earth
21743911A · Nov 4
$1,405 NZD
$790 USD
View
2 more retailers have this diamond
Prices start from $365 NZDSave up to $1,041 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 Marquise
$365 NZD