Marquise|Lab Grown|IGI

1.55ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG843670563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843670563

Diamond specifications and retailer prices

From $427 NZD
$240 USD
As of November 1, 2026
Save $1,285 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,075 NZD at Brilliant Earth · As of October 12, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843670563 or 843670563. Listed at 4 retailers as of November 1, 2026, with a 301% 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

1.55
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670563
Dimensions11.69 × 5.96 × 3.86 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm5.96 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670563
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.8%

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 1
Current: $3,075 NZD|Low: $427 NZD|High: $3,075 NZD|Avg: $1,713 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2$427 NZD
Retailer 4$645 NZD
Retailer 5$1,016 NZD
Retailer 3$1,712 NZD
Brilliant Earth$3,075 NZD

8 data points across 5 retailers

4 retailers$427 NZD to $1,712 NZD

A
Cheapest Retailer
-
$427 NZD
$240 USD
Final sale: no returns
B+
Retailer 2
-
$645 NZD
$363 USD
View
B+
Retailer 3
-
$1,712 NZD
$963 USD
View
Most Expensive
Brilliant Earth
21760005A · Oct 12
$3,075 NZD
$1,730 USD
View
Price last confirmed 21 days ago
3 more retailers have this diamond
Prices start from $427 NZDSave up to $1,285 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
$427 NZD