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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565342064

Certificate GIA 6565342064

Diamond specifications and retailer prices

From $707 NZD
As of November 6, 2026
Save $2,331 NZD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,038 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 6565342064. Listed at 18 retailers as of November 5, 2026, with prices from $707 to $3,038, a $2,331 spread on the same certified stone. NZ Jewellers lists it at $3,038. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565342064
Dimensions7.96 × 4.08 × 2.47 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.96 mm4.08 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565342064
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 60.5%

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: $3,038 NZD|Low: $707 NZD|High: $3,038 NZD|Avg: $1,368 NZD
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 12$707 NZD
Retailer 3$969 NZD
Retailer 8$992 NZD
Retailer 7$1,043 NZD
Retailer 14$1,043 NZD
Retailer 2$1,070 NZD
Retailer 11$1,097 NZD
Retailer 17$1,118 NZD
Retailer 16$1,185 NZD
Retailer 9$1,187 NZD
Retailer 4$1,205 NZD
Retailer 13$1,209 NZD
Retailer 6$1,326 NZD
Retailer 5$1,445 NZD
Retailer 15$1,494 NZD
Retailer 10$1,596 NZD
Retailer 18$2,233 NZD
NZ Jewellers$3,038 NZD

30 data points across 18 retailers

18 retailers$707 NZD to $3,038 NZD

A
Cheapest Retailer
-
$707 NZD
A
Retailer 2
-
$969 NZD
View
A
Retailer 3
-
$992 NZD
View
A
Retailer 4
-
$1,043 NZD
View
Retailer 5
-
$1,043 NZD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,070 NZD
View
Final sale: no returns
B+
Retailer 7
-
$1,097 NZD
View
A
Retailer 8
-
$1,118 NZD
View
B+
Retailer 9
-
$1,185 NZD
View
B+
Retailer 10
-
$1,187 NZD
View
B+
Retailer 11
-
$1,205 NZD
View
B+
Retailer 12
-
$1,209 NZD
View
B+
Retailer 13
-
$1,326 NZD
View
B+
Retailer 14
-
$1,445 NZD
View
B
Retailer 15
-
$1,494 NZD
View
Retailer 16
-
$1,596 NZD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$2,233 NZD
View
Most Expensive
B
NZ Jewellers
d0785638-7558-4dea-94ff-7bca7e12f6e5 · Nov 5
$3,038 NZD
$1,684 USD
View
17 more retailers have this diamond
Prices start from $707 NZDSave up to $2,331 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
$707 NZD