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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 HK$7,112 HKD
$906 USD
As of October 31, 2026
Save HK$5,646 HKD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$12,758 HKD 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 HK$7,112 to HK$12,758, a HK$5,646 spread on the same certified stone. Helzberg Diamonds lists it at HK$12,758. 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: HK$12,758 HKD|Low: HK$7,112 HKD|High: HK$13,268 HKD|Avg: HK$9,408 HKD|-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 6HK$7,112 HKD
Retailer 8HK$7,140 HKD
Retailer 5HK$7,532 HKD
Retailer 11HK$7,634 HKD
Retailer 9HK$7,751 HKD
Retailer 4HK$8,214 HKD
Retailer 7HK$8,843 HKD
Retailer 2HK$10,331 HKD
Retailer 10HK$10,947 HKD
Retailer 3HK$12,014 HKD
Helzberg DiamondsHK$12,758 HKD

27 data points across 11 retailers

12 retailersHK$7,112 HKD to HK$12,758 HKD

A
Cheapest Retailer
-
HK$7,112 HKD
$906 USD
A
Retailer 2
-
HK$7,140 HKD
$910 USD
View
A
Retailer 3
-
HK$7,532 HKD
$960 USD
View
A
Retailer 4
-
HK$7,583 HKD
SGD 1,306 SGD
View
A
Retailer 5
-
HK$7,634 HKD
$973 USD
View
A
Retailer 6
-
HK$7,751 HKD
SGD 1,335 SGD
View
A
Retailer 7
-
HK$8,214 HKD
£824 GBP
View
B+
Retailer 8
-
HK$8,843 HKD
$1,127 USD
View
B+
Retailer 9
-
HK$10,331 HKD
€1,254 EUR
View
B+
Retailer 10
-
HK$10,947 HKD
$1,395 USD
View
B
Retailer 11
-
HK$12,014 HKD
$1,531 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLHOGKJ · Nov 1
HK$12,758 HKD
$1,626 USD
View
11 more retailers have this diamond
Prices start from HK$7,112 HKDSave up to HK$5,646 HKD

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
HK$7,112 HKD