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Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569290395

Certificate GIA 1569290395

Diamond specifications and retailer prices

From $876 NZD
$493 USD
As of November 2, 2026
Save $2,017 NZD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,893 NZD at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569290395. Listed at 7 retailers as of November 2, 2026, with prices from $876 to $2,893, a $2,017 spread on the same certified stone. NZ Jewellers lists it at $2,893. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569290395
Dimensions8.25 × 4.02 × 2.62 mm
L/W Ratio2.05
Top View
8.25 mm4.02 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569290395
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 65.2%

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 2
Current: $2,893 NZD|Low: $876 NZD|High: $3,382 NZD|Avg: $1,449 NZD|-14.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 5$876 NZD
Retailer 4$1,024 NZD
Retailer 3$1,135 NZD
Retailer 7$1,184 NZD
Retailer 2$1,193 NZD
Retailer 6$1,255 NZD
NZ Jewellers$2,893 NZD

36 data points across 7 retailers

7 retailers$876 NZD to $2,893 NZD

A
Cheapest Retailer
-
$876 NZD
$493 USD
Final sale: no returns
A
Retailer 2
-
$1,024 NZD
$576 USD
View
B+
Retailer 3
-
$1,135 NZD
£503 GBP
View
B+
Retailer 4
-
$1,184 NZD
$666 USD
View
B+
Retailer 5
-
$1,193 NZD
£529 GBP
View
B+
Retailer 6
-
$1,255 NZD
$706 USD
View
Most Expensive
B
NZ Jewellers
4f134632-53d8-43dd-bacb-b6986358acba · Nov 3
$2,893 NZD
$1,628 USD
View
6 more retailers have this diamond
Prices start from $876 NZDSave up to $2,017 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
$876 NZD