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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851606835

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851606835

Diamond specifications and retailer prices

From $456 NZD
As of November 4, 2026
Save $1,495 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,951 NZD at MOH London · As of November 2, 2026
View at MOH London

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851606835 or 851606835. Listed at 13 retailers as of November 2, 2026, with prices from $456 to $1,951, a $1,495 spread on the same certified stone. MOH London lists it at $1,951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851606835
Dimensions11.50 × 5.78 × 3.42 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm5.78 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851606835
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.2%

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 4
Current: $1,951 NZD|Low: $456 NZD|High: $1,962 NZD|Avg: $1,228 NZD|-0.6%
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
November 4, 2026
Retailer 7$456 NZD
Retailer 3$545 NZD
Retailer 2$648 NZD
Retailer 11$830 NZD
Retailer 13$944 NZD
Retailer 6$1,189 NZD
Retailer 5$1,331 NZD
Retailer 10$1,384 NZD
Retailer 8$1,565 NZD
Retailer 9$1,570 NZD
Retailer 4$1,577 NZD
Retailer 12$1,676 NZD
MOH London$1,951 NZD

8 data points across 13 retailers

13 retailers$456 NZD to $1,951 NZD

A
Cheapest Retailer
-
$456 NZD
A
Retailer 2
-
$545 NZD
View
A
Retailer 3
-
$648 NZD
View
A
Retailer 4
-
$830 NZD
View
A
Retailer 5
-
$944 NZD
View
B+
Retailer 6
-
$1,189 NZD
View
Retailer 7
-
$1,331 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,384 NZD
View
B
Retailer 9
-
$1,565 NZD
View
B
Retailer 10
-
$1,570 NZD
View
B
Retailer 11
-
$1,577 NZD
View
B
Retailer 12
-
$1,676 NZD
View
Most Expensive
B
MOH London
LG851606835 · Nov 2
$1,951 NZD
£866 GBP
View
12 more retailers have this diamond
Prices start from $456 NZDSave up to $1,495 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
$456 NZD