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Marquise|Natural|IGI

0.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • IGI 788662202

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788662202

Diamond specifications and retailer prices

From $631 NZD
As of November 6, 2026
Save $1,823 NZD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,455 NZD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 788662202. Listed at 11 retailers as of November 5, 2026, with prices from $631 to $2,455, a $1,823 spread on the same certified stone. Diamond Exchange Canada lists it at $2,455. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 788662202
Dimensions7.90 × 4.17 × 2.60 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
INTERNAL GRAINING
Top View
7.90 mm4.17 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 788662202
Side View
Table 62.0%Crown 37.5°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 62.4%

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: $631 NZD|Low: $631 NZD|High: $1,449 NZD|Avg: $984 NZD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$631 NZD
Retailer 3$785 NZD
Retailer 5$871 NZD
Retailer 4$1,299 NZD
Retailer 2$1,436 NZD

40 data points across 5 retailers

11 retailers$631 NZD to $2,455 NZD

A
Cheapest Retailer
-
$631 NZD
A
Retailer 2
-
$785 NZD
View
A
Retailer 3
-
$812 NZD
View
Retailer 4
-
$871 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,037 NZD
View
A
Retailer 6
-
$1,109 NZD
View
A
Retailer 7
-
$1,191 NZD
View
A
Retailer 8
-
$1,200 NZD
View
A
Retailer 9
-
$1,299 NZD
View
A
Retailer 10
-
$1,436 NZD
View
Most Expensive
B
Diamond Exchange Canada
1965348031 · Nov 5
$2,455 NZD
CA$1,890 CAD
View
10 more retailers have this diamond
Prices start from $631 NZDSave up to $1,823 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
0.50ct Marquise
$631 NZD