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Marquise|Natural|GIA

0.80ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5242028344

Certificate GIA 5242028344

Diamond specifications and retailer prices

From HK$10,370 HKD
SGD 1,786 SGD
As of October 31, 2026
Save HK$8,328 HKD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$18,697 HKD at Helzberg Diamonds · As of November 2, 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 H 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 5242028344. Listed at 12 retailers as of October 31, 2026, with prices from HK$10,370 to HK$18,697, a HK$8,328 spread on the same certified stone. Helzberg Diamonds lists it at HK$18,697. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.84°
Pavilion angle40.57°
OriginNatural
Grading LabGIA
CertificateGIA 5242028344
Dimensions9.24 × 4.79 × 3.02 mm
L/W Ratio1.93
Culet sizeNone
Top View
9.24 mm4.79 mm0.80 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242028344
Side View
Table 59.0%Crown 38.84°Girdle: MED-VTKPavilion 40.57°Culet: NoneDepth 63.0%

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$18,697 HKD|Low: HK$10,370 HKD|High: HK$19,262 HKD|Avg: HK$13,005 HKD|-2.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8HK$10,370 HKD
Retailer 9HK$10,430 HKD
Retailer 7HK$10,553 HKD
Retailer 11HK$10,608 HKD
Retailer 3HK$11,357 HKD
Retailer 5HK$11,562 HKD
Retailer 10HK$12,679 HKD
Retailer 6HK$13,087 HKD
Retailer 4HK$14,407 HKD
Retailer 2HK$15,002 HKD
Retailer 12HK$16,792 HKD
Helzberg DiamondsHK$18,697 HKD

31 data points across 12 retailers

12 retailersHK$10,370 HKD to HK$18,697 HKD

A
Cheapest Retailer
-
HK$10,370 HKD
SGD 1,786 SGD
A
Retailer 2
-
HK$10,430 HKD
$1,329 USD
View
A
Retailer 3
-
HK$10,553 HKD
$1,345 USD
View
A
Retailer 4
-
HK$10,608 HKD
$1,352 USD
View
A
Retailer 5
-
HK$11,357 HKD
SGD 1,956 SGD
View
A
Retailer 6
-
HK$11,562 HKD
£1,160 GBP
View
B+
Retailer 7
-
HK$12,679 HKD
$1,616 USD
View
B+
Retailer 8
-
HK$13,087 HKD
$1,668 USD
View
B+
Retailer 9
-
HK$14,407 HKD
$1,836 USD
View
B+
Retailer 10
-
HK$15,002 HKD
€1,821 EUR
View
B
Retailer 11
-
HK$16,792 HKD
$2,140 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGIOJKK · Nov 2
HK$18,697 HKD
$2,383 USD
View
11 more retailers have this diamond
Prices start from HK$10,370 HKDSave up to HK$8,328 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$10,370 HKD