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Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG837653378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837653378

Diamond specifications and retailer prices

From $422 NZD
$238 USD
As of October 30, 2026
Save $1,920 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,342 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837653378 or 837653378. Listed at 17 retailers as of October 30, 2026, with prices from $422 to $2,342, a $1,920 spread on the same certified stone. Brilliant Earth lists it at $2,342. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837653378
Dimensions12.32 × 6.11 × 3.48 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm6.11 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837653378
Side View
Table 65.0%Crown 31.5°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 57.0%

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: Oct 30
Current: $2,342 NZD|Low: $405 NZD|High: $3,247 NZD|Avg: $1,323 NZD|-27.9%
Brilliant Earth
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
October 31, 2026
Retailer 16$422 NZD
Retailer 6$472 NZD
Retailer 4$523 NZD
Retailer 17$523 NZD
Retailer 10$613 NZD
Retailer 15$706 NZD
Retailer 8$887 NZD
Retailer 13$943 NZD
Retailer 11$989 NZD
Retailer 2$1,297 NZD
Retailer 12$1,649 NZD
Retailer 7$1,682 NZD
Retailer 9$1,774 NZD
Retailer 14$2,098 NZD
Retailer 5$2,127 NZD
Retailer 3$2,332 NZD
Brilliant Earth$2,342 NZD

37 data points across 17 retailers

17 retailers$422 NZD to $2,342 NZD

A
Cheapest Retailer
-
$422 NZD
$238 USD
A
Retailer 2
-
$472 NZD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$523 NZD
$295 USD
View
A
Retailer 4
-
$523 NZD
$295 USD
View
A
Retailer 5
-
$613 NZD
£272 GBP
View
B+
Retailer 6
-
$706 NZD
$398 USD
View
A
Retailer 7
-
$887 NZD
$500 USD
View
A
Retailer 8
-
$943 NZD
€506 EUR
View
A
Retailer 9
-
$989 NZD
£439 GBP
View
B+
Retailer 10
-
$1,297 NZD
$731 USD
View
B+
Retailer 11
-
$1,649 NZD
A$1,430 AUD
View
B+
Retailer 12
-
$1,682 NZD
$948 USD
View
B
Retailer 13
-
$1,774 NZD
$1,000 USD
View
B
Retailer 14
-
$2,098 NZD
£931 GBP
View
B
Retailer 15
-
$2,127 NZD
$1,199 USD
View
B
Retailer 16
-
$2,332 NZD
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21659077A · Oct 30
$2,342 NZD
$1,320 USD
View
16 more retailers have this diamond
Prices start from $422 NZDSave up to $1,920 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
$422 NZD