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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 $502 SGD
As of November 6, 2026
Save $1,656 SGD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,158 SGD 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 $502 to $2,158, a $1,656 spread on the same certified stone. NZ Jewellers lists it at $2,158. 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: $2,158 SGD|Low: $502 SGD|High: $2,158 SGD|Avg: $972 SGD
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$502 SGD
Retailer 3$688 SGD
Retailer 8$705 SGD
Retailer 7$741 SGD
Retailer 14$741 SGD
Retailer 2$760 SGD
Retailer 11$779 SGD
Retailer 17$795 SGD
Retailer 16$842 SGD
Retailer 9$843 SGD
Retailer 4$856 SGD
Retailer 13$859 SGD
Retailer 6$942 SGD
Retailer 5$1,027 SGD
Retailer 15$1,061 SGD
Retailer 10$1,134 SGD
Retailer 18$1,587 SGD
NZ Jewellers$2,158 SGD

30 data points across 18 retailers

18 retailers$502 SGD to $2,158 SGD

A
Cheapest Retailer
-
$502 SGD
A
Retailer 2
-
$688 SGD
View
A
Retailer 3
-
$705 SGD
View
A
Retailer 4
-
$741 SGD
View
Retailer 5
-
$741 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$760 SGD
View
Final sale: no returns
B+
Retailer 7
-
$779 SGD
View
A
Retailer 8
-
$795 SGD
View
B+
Retailer 9
-
$842 SGD
View
B+
Retailer 10
-
$843 SGD
View
B+
Retailer 11
-
$856 SGD
View
B+
Retailer 12
-
$859 SGD
View
B+
Retailer 13
-
$942 SGD
View
B+
Retailer 14
-
$1,027 SGD
View
B
Retailer 15
-
$1,061 SGD
View
Retailer 16
-
$1,134 SGD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$1,587 SGD
View
Most Expensive
B
NZ Jewellers
d0785638-7558-4dea-94ff-7bca7e12f6e5 · Nov 5
$2,158 SGD
$1,684 USD
View
17 more retailers have this diamond
Prices start from $502 SGDSave up to $1,656 SGD

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
$502 SGD