Marquise|Natural|IGI

1.50ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 814628555

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814628555

Diamond specifications and retailer prices

From $2,952 USD
As of November 6, 2026
Save $3,878 USD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,830 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 814628555. Listed at 14 retailers as of November 5, 2026, with prices from $2,952 to $6,830, a $3,878 spread on the same certified stone. NZ Jewellers lists it at $6,830. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.1°
OriginNatural
Grading LabIGI
CertificateIGI 814628555
Dimensions11.21 × 5.96 × 3.59 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
11.21 mm5.96 mm1.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814628555
Side View
Table 61.0%Crown 40.8°Girdle: STK-VTKPavilion 35.1°Culet: NoneDepth 60.2%

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 6
Current: $6,830 USD|Low: $2,952 USD|High: $6,897 USD|Avg: $4,312 USD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$2,952 USD
Retailer 9$3,450 USD
Retailer 3$3,667 USD
Retailer 11$3,756 USD
Retailer 4$3,920 USD
Retailer 10$3,920 USD
Retailer 13$3,920 USD
Retailer 12$4,066 USD
Retailer 8$4,090 USD
Retailer 6$4,299 USD
Retailer 5$4,523 USD
Retailer 7$6,555 USD
NZ Jewellers$6,830 USD

45 data points across 13 retailers

14 retailers$2,952 USD to $6,830 USD

A
Cheapest Retailer
-
$2,952 USD
B+
Retailer 2
-
$3,450 USD
View
B+
Retailer 3
-
$3,667 USD
View
B+
Retailer 4
-
$3,756 USD
View
B+
Retailer 5
-
$3,920 USD
View
B+
Retailer 6
-
$3,920 USD
View
Retailer 7
-
$3,920 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$4,066 USD
View
B+
Retailer 9
-
$4,090 USD
View
A
Retailer 10
-
$4,299 USD
View
B+
Retailer 11
-
$4,523 USD
View
Retailer 12
-
$4,658 USD
View
Price last confirmed 61 days ago
B+
Retailer 13
-
$6,555 USD
View
Most Expensive
B+
NZ Jewellers
a34e8ede-ef67-4a01-be4b-fce98b0fe0cc · Nov 5
$6,830 USD
View
13 more retailers have this diamond
Prices start from $2,952 USDSave up to $3,878 USD

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
1.50ct Marquise
$2,952 USD