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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG831676204

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831676204

Diamond specifications and retailer prices

From $438 NZD
As of November 4, 2026
Save $1,955 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,393 NZD at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831676204 or 831676204. Listed at 14 retailers as of November 4, 2026, with prices from $438 to $2,393, a $1,955 spread on the same certified stone. With Clarity lists it at $2,393. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831676204
Dimensions12.18 × 5.91 × 3.70 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
12.18 mm5.91 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831676204
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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: $1,973 NZD|Low: $438 NZD|High: $2,512 NZD|Avg: $1,469 NZD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 5, 2026
Retailer 8$438 NZD
Retailer 11$509 NZD
Retailer 7$633 NZD
Retailer 2$843 NZD
Retailer 3$921 NZD
Retailer 13$1,144 NZD
Retailer 4$1,160 NZD
Retailer 12$1,311 NZD
Retailer 9$1,747 NZD
Retailer 10$1,754 NZD
Retailer 1$1,973 NZD
Retailer 6$2,171 NZD
Retailer 5$2,342 NZD
With Clarity$2,393 NZD

37 data points across 14 retailers

14 retailers$438 NZD to $2,393 NZD

A
Cheapest Retailer
-
$438 NZD
A
Retailer 2
-
$509 NZD
View
A
Retailer 3
-
$633 NZD
View
A
Retailer 4
-
$843 NZD
View
Retailer 5
-
$921 NZD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$1,144 NZD
View
B+
Retailer 7
-
$1,160 NZD
View
B+
Retailer 8
-
$1,311 NZD
View
B+
Retailer 9
-
$1,747 NZD
View
B+
Retailer 10
-
$1,754 NZD
View
B
Retailer 11
-
$1,973 NZD
View
B
Retailer 12
-
$2,171 NZD
View
Retailer 13
-
$2,342 NZD
View
Price last confirmed 24 days ago
Most Expensive
B
With Clarity
831676204 · Nov 5
$2,393 NZD
$1,349 USD
View
13 more retailers have this diamond
Prices start from $438 NZDSave up to $1,955 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
1.51ct Marquise
$438 NZD