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Marquise|Natural|GIA

0.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7558321060

Certificate GIA 7558321060

Diamond specifications and retailer prices

From $873 NZD
As of November 6, 2026
Save $1,984 NZD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,696 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 stated by the retailer rather than the lab and certified by GIA 7558321060. Listed at 12 retailers as of November 2, 2026, with a 227% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558321060
Dimensions7.41 × 4.13 × 2.66 mm
L/W Ratio1.79
Girdle conditionThick
Top View
7.41 mm4.13 mm0.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558321060
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.3%

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 6
Current: $920 NZD|Low: $873 NZD|High: $2,895 NZD|Avg: $1,656 NZD|-17.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$873 NZD
Retailer 1$920 NZD
Retailer 7$1,263 NZD
Retailer 8$1,452 NZD
Retailer 9$1,476 NZD
Retailer 3$1,513 NZD
Retailer 5$1,753 NZD
Retailer 4$1,910 NZD
Retailer 2$2,210 NZD
Retailer 6$2,857 NZD

34 data points across 10 retailers

12 retailers$873 NZD to $2,857 NZD

A
Cheapest Retailer
-
$873 NZD
Final sale: no returns
A
Retailer 2
-
$920 NZD
View
A
Retailer 3
-
$1,187 NZD
View
A
Retailer 4
-
$1,263 NZD
View
A
Retailer 5
-
$1,452 NZD
View
A
Retailer 6
-
$1,476 NZD
View
A
Retailer 7
-
$1,513 NZD
View
B+
Retailer 8
-
$1,753 NZD
View
B+
Retailer 9
-
$1,910 NZD
View
Retailer 10
-
$2,210 NZD
View
Price last confirmed 34 days ago
B
Retailer 11
-
$2,857 NZD
View
Most Expensive
NZ Jewellers
98e92365-5df4-46d8-8641-e042bdd38b52 · Sep 28
$4,696 NZD
$2,603 USD
View
Price under review
11 more retailers have this diamond
Prices start from $873 NZDSave up to $1,984 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
$873 NZD