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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG851605435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605435

Diamond specifications and retailer prices

From $451 NZD
As of November 4, 2026
Save $1,973 NZD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,379 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct lab-grown marquise diamond

This 1.3ct 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 LG851605435 or 851605435. Listed at 22 retailers as of November 4, 2026, with a 438% 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

1.30
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605435
Dimensions11.37 × 5.72 × 3.55 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
11.37 mm5.72 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605435
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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 4
Current: $3,379 NZD|Low: $451 NZD|High: $3,379 NZD|Avg: $1,311 NZD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 12$451 NZD
Retailer 7$504 NZD
Retailer 9$523 NZD
Retailer 3$559 NZD
Retailer 13$745 NZD
Retailer 8$754 NZD
Retailer 16$843 NZD
Retailer 11$963 NZD
Retailer 19$965 NZD
Retailer 2$1,048 NZD
Retailer 4$1,144 NZD
Retailer 17$1,370 NZD
Retailer 15$1,389 NZD
Retailer 18$1,430 NZD
Retailer 5$1,547 NZD
Retailer 6$1,797 NZD
Retailer 21$1,845 NZD
Retailer 14$1,888 NZD
Retailer 20$2,241 NZD
Retailer 10$2,423 NZD
Queensmith$3,379 NZD

11 data points across 21 retailers

22 retailers$451 NZD to $2,423 NZD

A
Cheapest Retailer
-
$451 NZD
A
Retailer 2
-
$504 NZD
View
Final sale: no returns
A
Retailer 3
-
$523 NZD
View
A
Retailer 4
-
$559 NZD
View
A
Retailer 5
-
$745 NZD
View
A
Retailer 6
-
$754 NZD
View
A
Retailer 7
-
$843 NZD
View
A
Retailer 8
-
$963 NZD
View
A
Retailer 9
-
$965 NZD
View
A
Retailer 10
-
$1,048 NZD
View
B+
Retailer 11
-
$1,144 NZD
View
B+
Retailer 12
-
$1,286 NZD
View
B+
Retailer 13
-
$1,370 NZD
View
B+
Retailer 14
-
$1,389 NZD
View
B+
Retailer 15
-
$1,430 NZD
View
Retailer 16
-
$1,547 NZD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,797 NZD
View
B
Retailer 18
-
$1,845 NZD
View
B
Retailer 19
-
$1,888 NZD
View
B
Retailer 20
-
$2,241 NZD
View
B
Retailer 21
-
$2,423 NZD
View
Most Expensive
Queensmith
LG851605435 · Oct 28
$3,379 NZD
£1,500 GBP
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $451 NZDSave up to $1,973 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
1.30ct Marquise
$451 NZD