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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 $754 NZD
As of November 6, 2026
Save $763 NZD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,517 NZD 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 10 retailers as of November 6, 2026, with prices from $754 to $1,517, a $763 spread on the same certified stone. Yorxs lists it at $1,517. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,248 NZD|Low: $713 NZD|High: $1,521 NZD|Avg: $1,077 NZD|-17.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 7, 2026
Retailer 4$754 NZD
Retailer 3$949 NZD
Retailer 8$974 NZD
Retailer 7$1,187 NZD
Retailer 1$1,248 NZD
Retailer 9$1,254 NZD
Retailer 5$1,256 NZD
Retailer 2$1,380 NZD
Retailer 6$1,429 NZD
Yorxs$1,517 NZD

33 data points across 10 retailers

10 retailers$754 NZD to $1,517 NZD

A
Cheapest Retailer
-
$754 NZD
A
Retailer 2
-
$949 NZD
View
Final sale: no returns
A
Retailer 3
-
$974 NZD
View
B+
Retailer 4
-
$1,187 NZD
View
B+
Retailer 5
-
$1,248 NZD
View
B+
Retailer 6
-
$1,254 NZD
View
B+
Retailer 7
-
$1,256 NZD
View
B
Retailer 8
-
$1,380 NZD
View
B
Retailer 9
-
$1,429 NZD
View
Most Expensive
B
Yorxs
071638769 · Nov 6
$1,517 NZD
€801 EUR
View
9 more retailers have this diamond
Prices start from $754 NZDSave up to $763 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
0.51ct Marquise
$754 NZD