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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG837672605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837672605

Diamond specifications and retailer prices

From $396 NZD
As of November 4, 2026
Save $2,225 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,172 NZD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837672605 or 837672605. Listed at 22 retailers as of November 4, 2026, with a 562% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672605
Dimensions11.44 × 5.55 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.55 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672605
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $559 NZD|Low: $396 NZD|High: $2,640 NZD|Avg: $1,163 NZD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 15$396 NZD
Retailer 12$444 NZD
Retailer 18$459 NZD
Retailer 3$491 NZD
Retailer 11$497 NZD
Retailer 1$559 NZD
Retailer 17$660 NZD
Retailer 13$800 NZD
Retailer 6$850 NZD
Retailer 19$905 NZD
Retailer 8$1,059 NZD
Retailer 10$1,148 NZD
Retailer 5$1,205 NZD
Retailer 16$1,579 NZD
Retailer 21$1,584 NZD
Retailer 2$1,671 NZD
Retailer 20$1,692 NZD
Retailer 14$1,951 NZD
Retailer 7$1,974 NZD
Retailer 9$1,990 NZD
Retailer 4$2,620 NZD

20 data points across 21 retailers

22 retailers$396 NZD to $2,620 NZD

A+
Cheapest Retailer
-
$396 NZD
A
Retailer 2
-
$444 NZD
View
Final sale: no returns
A
Retailer 3
-
$459 NZD
View
A
Retailer 4
-
$491 NZD
View
Retailer 5
-
$497 NZD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$559 NZD
View
B+
Retailer 7
-
$660 NZD
View
Retailer 8
-
$800 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$850 NZD
View
A
Retailer 10
-
$905 NZD
View
A
Retailer 11
-
$1,059 NZD
View
A
Retailer 12
-
$1,148 NZD
View
B+
Retailer 13
-
$1,205 NZD
View
B+
Retailer 14
-
$1,579 NZD
View
B+
Retailer 15
-
$1,584 NZD
View
B+
Retailer 16
-
$1,671 NZD
View
B+
Retailer 17
-
$1,692 NZD
View
B
Retailer 18
-
$1,951 NZD
View
B+
Retailer 19
-
$1,974 NZD
View
B
Retailer 20
-
$1,990 NZD
View
B
Retailer 21
-
$2,620 NZD
View
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMGL · Oct 13
$3,172 NZD
$1,788 USD
View
Price last confirmed 22 days ago
21 more retailers have this diamond
Prices start from $396 NZDSave up to $2,225 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
$396 NZD