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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682574

Diamond specifications and retailer prices

From $452 NZD
As of November 4, 2026
Save $1,836 NZD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,288 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct 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 LG818682574 or 818682574. Listed at 22 retailers as of November 4, 2026, with prices from $452 to $2,288, a $1,836 spread on the same certified stone. Brilliant Earth lists it at $2,288. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682574
Dimensions12.04 × 6.09 × 3.80 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.09 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682574
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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: $2,288 NZD|Low: $452 NZD|High: $3,690 NZD|Avg: $1,241 NZD|-38.0%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 11$452 NZD
Retailer 12$504 NZD
Retailer 7$525 NZD
Retailer 4$561 NZD
Retailer 6$561 NZD
Retailer 13$653 NZD
Retailer 3$843 NZD
Retailer 21$937 NZD
Retailer 8$967 NZD
Retailer 18$967 NZD
Retailer 2$1,052 NZD
Retailer 20$1,164 NZD
Retailer 15$1,313 NZD
Retailer 17$1,444 NZD
Retailer 9$1,751 NZD
Retailer 19$1,762 NZD
Retailer 5$1,802 NZD
Retailer 14$1,804 NZD
Retailer 10$1,893 NZD
Retailer 16$2,248 NZD
Brilliant Earth$2,288 NZD

29 data points across 21 retailers

22 retailers$452 NZD to $2,288 NZD

A
Cheapest Retailer
-
$452 NZD
A
Retailer 2
-
$504 NZD
View
Final sale: no returns
A
Retailer 3
-
$525 NZD
View
Retailer 4
-
$561 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$561 NZD
View
A
Retailer 6
-
$653 NZD
View
A
Retailer 7
-
$843 NZD
View
A
Retailer 8
-
$937 NZD
View
A
Retailer 9
-
$967 NZD
View
A
Retailer 10
-
$967 NZD
View
A
Retailer 11
-
$1,052 NZD
View
A
Retailer 12
-
$1,164 NZD
View
B+
Retailer 13
-
$1,313 NZD
View
B+
Retailer 14
-
$1,444 NZD
View
B+
Retailer 15
-
$1,751 NZD
View
Retailer 16
-
$1,762 NZD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$1,802 NZD
View
B+
Retailer 18
-
$1,804 NZD
View
B
Retailer 19
-
$1,893 NZD
View
B
Retailer 20
-
$2,207 NZD
View
B
Retailer 21
-
$2,248 NZD
View
Most Expensive
B
Brilliant Earth
21636411A · Nov 4
$2,288 NZD
$1,290 USD
View
21 more retailers have this diamond
Prices start from $452 NZDSave up to $1,836 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
1.55ct Marquise
$452 NZD