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Marquise|Lab Grown|IGI

1.28ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845654640

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845654640

Diamond specifications and retailer prices

From $530 NZD
As of November 5, 2026
Save $1,622 NZD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,152 NZD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845654640 or 845654640. Listed at 8 retailers as of November 5, 2026, with prices from $530 to $2,152, a $1,622 spread on the same certified stone. Brilliant Earth lists it at $2,152. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845654640
Dimensions11.64 × 5.71 × 3.52 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.64 mm5.71 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845654640
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,152 NZD|Low: $482 NZD|High: $2,152 NZD|Avg: $952 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$530 NZD
Retailer 8$680 NZD
Retailer 7$758 NZD
Retailer 4$792 NZD
Retailer 3$861 NZD
Retailer 6$1,409 NZD
Retailer 5$1,500 NZD
Brilliant Earth$2,152 NZD

6 data points across 8 retailers

8 retailers$530 NZD to $2,152 NZD

A
Cheapest Retailer
-
$530 NZD
A
Retailer 2
-
$680 NZD
View
A
Retailer 3
-
$758 NZD
View
A
Retailer 4
-
$792 NZD
View
A
Retailer 5
-
$861 NZD
View
B
Retailer 6
-
$1,409 NZD
View
B
Retailer 7
-
$1,500 NZD
View
Most Expensive
B
Brilliant Earth
22391645A · Nov 5
$2,152 NZD
$1,210 USD
View
7 more retailers have this diamond
Prices start from $530 NZDSave up to $1,622 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
1.28ct Marquise
$530 NZD