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Marquise|Natural|GIA

0.80ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6565518043

Certificate GIA 6565518043

Diamond specifications and retailer prices

From $1,611 NZD
$906 USD
As of October 31, 2026
Save $1,279 NZD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,890 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-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 6565518043. Listed at 12 retailers as of October 31, 2026, with prices from $1,611 to $2,890, a $1,279 spread on the same certified stone. Helzberg Diamonds lists it at $2,890. 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

0.80
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.46°
Pavilion angle39.52°
OriginNatural
Grading LabGIA
CertificateGIA 6565518043
Dimensions9.15 × 4.84 × 3.01 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.15 mm4.84 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565518043
Side View
Table 57.0%Crown 38.46°Girdle: STK-VTKPavilion 39.52°Culet: NoneDepth 62.2%

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: Oct 31
Current: $2,890 NZD|Low: $1,611 NZD|High: $3,005 NZD|Avg: $2,131 NZD|-3.8%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$1,611 NZD
Retailer 8$1,617 NZD
Retailer 5$1,706 NZD
Retailer 11$1,729 NZD
Retailer 9$1,756 NZD
Retailer 4$1,861 NZD
Retailer 7$2,003 NZD
Retailer 2$2,340 NZD
Retailer 10$2,480 NZD
Retailer 3$2,721 NZD
Helzberg Diamonds$2,890 NZD

27 data points across 11 retailers

12 retailers$1,611 NZD to $2,890 NZD

A
Cheapest Retailer
-
$1,611 NZD
$906 USD
A
Retailer 2
-
$1,617 NZD
$910 USD
View
A
Retailer 3
-
$1,706 NZD
$960 USD
View
A
Retailer 4
-
$1,718 NZD
SGD 1,306 SGD
View
A
Retailer 5
-
$1,729 NZD
$973 USD
View
A
Retailer 6
-
$1,756 NZD
SGD 1,335 SGD
View
A
Retailer 7
-
$1,861 NZD
£824 GBP
View
B+
Retailer 8
-
$2,003 NZD
$1,127 USD
View
B+
Retailer 9
-
$2,340 NZD
€1,254 EUR
View
B+
Retailer 10
-
$2,480 NZD
$1,395 USD
View
B
Retailer 11
-
$2,721 NZD
$1,531 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLHOGKJ · Nov 1
$2,890 NZD
$1,626 USD
View
11 more retailers have this diamond
Prices start from $1,611 NZDSave up to $1,279 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
0.80ct Marquise
$1,611 NZD