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Marquise|Natural|GIA

0.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 1563008847

Certificate GIA 1563008847

Diamond specifications and retailer prices

From $624 SGD
As of November 4, 2026
Save $1,501 SGD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,125 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J 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 1563008847. Listed at 12 retailers as of November 3, 2026, with prices from $624 to $2,125, a $1,501 spread on the same certified stone. NZ Jewellers lists it at $2,125. 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

0.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563008847
Dimensions8.82 × 4.16 × 2.43 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizeNone
Top View
8.82 mm4.16 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563008847
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $841 SGD|Low: $573 SGD|High: $1,583 SGD|Avg: $897 SGD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$624 SGD
Retailer 6$729 SGD
Retailer 8$782 SGD
Retailer 5$819 SGD
Retailer 1$841 SGD
Retailer 7$846 SGD
Retailer 3$1,011 SGD
Retailer 2$1,562 SGD

43 data points across 8 retailers

12 retailers$624 SGD to $2,125 SGD

A
Cheapest Retailer
-
$624 SGD
Final sale: no returns
A
Retailer 2
-
$678 SGD
View
Retailer 3
-
$729 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$729 SGD
View
B+
Retailer 5
-
$782 SGD
View
Retailer 6
-
$782 SGD
View
Price last confirmed 62 days ago
B+
Retailer 7
-
$782 SGD
View
B+
Retailer 8
-
$841 SGD
View
B+
Retailer 9
-
$846 SGD
View
B
Retailer 10
-
$1,011 SGD
View
B
Retailer 11
-
$1,562 SGD
View
Most Expensive
C
NZ Jewellers
6bb20c1b-f3cc-4e77-b777-68db4d99320e · Nov 3
$2,125 SGD
$1,658 USD
View
11 more retailers have this diamond
Prices start from $624 SGDSave up to $1,501 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
0.51ct Marquise
$624 SGD