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Marquise|Natural|GIA

0.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7566067098

Certificate GIA 7566067098

Diamond specifications and retailer prices

From $536 SGD
As of November 6, 2026
Save $542 SGD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,078 SGD at Yorxs · As of November 6, 2026
View at Yorxs

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566067098. Listed at 9 retailers as of November 6, 2026, with prices from $536 to $1,078, a $542 spread on the same certified stone. Yorxs lists it at $1,078. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7566067098
Dimensions8.20 × 4.12 × 2.50 mm
L/W Ratio1.99
Top View
8.20 mm4.12 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7566067098
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 60.7%

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 6
Current: $674 SGD|Low: $506 SGD|High: $1,080 SGD|Avg: $759 SGD|+33.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 2$536 SGD
Retailer 1$674 SGD
Retailer 7$692 SGD
Retailer 6$843 SGD
Retailer 5$882 SGD
Retailer 8$891 SGD
Retailer 3$892 SGD
Retailer 4$1,015 SGD
Yorxs$1,078 SGD

32 data points across 9 retailers

9 retailers$536 SGD to $1,078 SGD

A
Cheapest Retailer
-
$536 SGD
A
Retailer 2
-
$674 SGD
View
Final sale: no returns
A
Retailer 3
-
$692 SGD
View
B+
Retailer 4
-
$843 SGD
View
B+
Retailer 5
-
$882 SGD
View
B+
Retailer 6
-
$891 SGD
View
B+
Retailer 7
-
$892 SGD
View
B
Retailer 8
-
$1,015 SGD
View
Most Expensive
B
Yorxs
071638769 · Nov 6
$1,078 SGD
€801 EUR
View
8 more retailers have this diamond
Prices start from $536 SGDSave up to $542 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
$536 SGD