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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1555492596

Certificate GIA 1555492596

Diamond specifications and retailer prices

From HK$14,619 HKD
A$2,867 AUD
As of November 2, 2026
Save HK$6,577 HKD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$21,196 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G 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 1555492596. Listed at 4 retailers as of November 2, 2026, with prices from HK$14,619 to HK$21,196, a HK$6,577 spread on the same certified stone. 77 Diamonds lists it at HK$21,196. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.41°
Pavilion angle42.37°
OriginNatural
Grading LabGIA
CertificateGIA 1555492596
Dimensions9.05 × 4.89 × 3.17 mm
L/W Ratio1.85
Culet sizeNone
Top View
9.05 mm4.89 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555492596
Side View
Table 60.0%Crown 35.41°Girdle: MED-VTKPavilion 42.37°Culet: NoneDepth 64.9%

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 2
Current: HK$21,196 HKD|Low: HK$7,632 HKD|High: HK$21,374 HKD|Avg: HK$14,659 HKD|-0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12HK$7,632 HKD
Retailer 9HK$10,991 HKD
Retailer 8HK$11,549 HKD
Retailer 11HK$11,644 HKD
Retailer 7HK$11,734 HKD
Retailer 4HK$14,853 HKD
Retailer 10HK$14,992 HKD
Retailer 13HK$15,925 HKD
Retailer 6HK$16,085 HKD
Retailer 3HK$18,958 HKD
Retailer 5HK$19,264 HKD
Retailer 2HK$19,764 HKD
77 DiamondsHK$21,196 HKD

20 data points across 13 retailers

4 retailersHK$14,619 HKD to HK$21,196 HKD

A
Cheapest Retailer
-
HK$14,619 HKD
A$2,867 AUD
B+
Retailer 2
-
HK$14,853 HKD
$1,893 USD
View
B
Retailer 3
-
HK$19,764 HKD
CA$3,499 CAD
View
Most Expensive
B
77 Diamonds
MQMBRVFUTD28 · Nov 2
HK$21,196 HKD
£2,127 GBP
View
3 more retailers have this diamond
Prices start from HK$14,619 HKDSave up to HK$6,577 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$14,619 HKD