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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561214081

Certificate GIA 7561214081

Diamond specifications and retailer prices

From $646 NZD
As of November 6, 2026
Save $2,262 NZD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,908 NZD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561214081. Listed at 19 retailers as of November 5, 2026, with prices from $646 to $2,908, a $2,262 spread on the same certified stone. NZ Jewellers lists it at $2,908. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561214081
Dimensions7.54 × 4.24 × 2.70 mm
L/W Ratio1.78
Top View
7.54 mm4.24 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7561214081
Side View
Table 53.0%CrownGirdle: Very Thick - Ext. ThickPavilionCulet: NoneDepth 63.6%

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: $2,908 NZD|Low: $646 NZD|High: $3,128 NZD|Avg: $1,082 NZD|-7.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 3$646 NZD
Retailer 17$700 NZD
Retailer 10$722 NZD
Retailer 14$759 NZD
Retailer 12$794 NZD
Retailer 16$817 NZD
Retailer 8$837 NZD
Retailer 4$875 NZD
Retailer 6$875 NZD
Retailer 2$925 NZD
Retailer 13$931 NZD
Retailer 11$994 NZD
Retailer 9$1,059 NZD
Retailer 15$1,136 NZD
Retailer 18$1,176 NZD
Retailer 7$1,178 NZD
Retailer 5$1,750 NZD
NZ Jewellers$2,908 NZD

23 data points across 18 retailers

19 retailers$646 NZD to $2,908 NZD

A
Cheapest Retailer
-
$646 NZD
A
Retailer 2
-
$700 NZD
View
Final sale: no returns
A
Retailer 3
-
$722 NZD
View
A
Retailer 4
-
$759 NZD
View
A
Retailer 5
-
$794 NZD
View
A
Retailer 6
-
$817 NZD
View
Retailer 7
-
$837 NZD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$875 NZD
View
A
Retailer 9
-
$875 NZD
View
A
Retailer 10
-
$925 NZD
View
A
Retailer 11
-
$931 NZD
View
A
Retailer 12
-
$994 NZD
View
A
Retailer 13
-
$1,059 NZD
View
B+
Retailer 14
-
$1,136 NZD
View
B+
Retailer 15
-
$1,176 NZD
View
B+
Retailer 16
-
$1,178 NZD
View
Retailer 17
-
$1,367 NZD
View
Price last confirmed 35 days ago
B
Retailer 18
-
$1,750 NZD
View
Most Expensive
B
NZ Jewellers
511309f9-9e5c-476a-aeeb-99c8bf39cfed · Nov 5
$2,908 NZD
$1,612 USD
View
18 more retailers have this diamond
Prices start from $646 NZDSave up to $2,262 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
$646 NZD