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Marquise|Natural|GIA

0.80ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6552051289

Certificate GIA 6552051289

Diamond specifications and retailer prices

From HK$13,707 HKD
$1,747 USD
As of November 2, 2026
Save HK$5,487 HKD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$19,194 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 H 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 6552051289. Listed at 3 retailers as of November 2, 2026, with prices from HK$13,707 to HK$19,194, a HK$5,487 spread on the same certified stone. 77 Diamonds lists it at HK$19,194. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.88°
Pavilion angle37.63°
OriginNatural
Grading LabGIA
CertificateGIA 6552051289
Dimensions9.26 × 4.80 × 2.92 mm
L/W Ratio1.93
Top View
9.26 mm4.80 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552051289
Side View
Table 58.0%Crown 38.88°Girdle: THK-VTKPavilion 37.63°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$19,194 HKD|Low: HK$7,186 HKD|High: HK$19,372 HKD|Avg: HK$13,170 HKD|-0.6%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 5HK$7,186 HKD
Retailer 14HK$10,230 HKD
Retailer 10HK$10,348 HKD
Retailer 13HK$10,592 HKD
Retailer 3HK$10,741 HKD
Retailer 12HK$10,906 HKD
Retailer 15HK$11,270 HKD
Retailer 9HK$12,985 HKD
Retailer 8HK$13,707 HKD
Retailer 4HK$14,541 HKD
Retailer 6HK$15,282 HKD
Retailer 11HK$15,457 HKD
Retailer 16HK$16,753 HKD
Retailer 7HK$17,600 HKD
Retailer 2HK$17,882 HKD
77 DiamondsHK$19,194 HKD

28 data points across 16 retailers

3 retailersHK$13,707 HKD to HK$19,194 HKD

B+
Cheapest Retailer
-
HK$13,707 HKD
$1,747 USD
B
Retailer 2
-
HK$17,882 HKD
CA$3,165 CAD
View
Most Expensive
B
77 Diamonds
MQMBUEREJXBU · Nov 2
HK$19,194 HKD
£1,926 GBP
View
2 more retailers have this diamond
Prices start from HK$13,707 HKDSave up to HK$5,487 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.

B+
0.80ct Marquise
HK$13,707 HKD