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Marquise|Natural|GIA

0.80ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6442916934

Certificate GIA 6442916934

Diamond specifications and retailer prices

From HK$18,226 HKD
$2,323 USD
As of November 2, 2026
Save HK$9,572 HKD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$27,798 HKD at 77 Diamonds · As of October 30, 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 I 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 6442916934. Listed at 7 retailers as of October 30, 2026, with prices from HK$18,226 to HK$27,798, a HK$9,572 spread on the same certified stone. 77 Diamonds lists it at HK$27,798. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6442916934
Dimensions9.11 × 4.87 × 2.98 mm
L/W Ratio1.87
Top View
9.11 mm4.87 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6442916934
Side View
Table 59.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 61.2%

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$27,798 HKD|Low: HK$16,571 HKD|High: HK$27,833 HKD|Avg: HK$23,128 HKD|+2.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2HK$18,226 HKD
Retailer 3HK$22,597 HKD
Retailer 4HK$23,774 HKD
Retailer 5HK$23,774 HKD
77 DiamondsHK$27,798 HKD

35 data points across 5 retailers

7 retailersHK$18,226 HKD to HK$27,798 HKD

B+
Cheapest Retailer
-
HK$18,226 HKD
$2,323 USD
Final sale: no returns
B
Retailer 2
-
HK$18,729 HKD
$2,387 USD
View
B
Retailer 3
-
HK$22,597 HKD
$2,880 USD
View
B
Retailer 4
-
HK$23,774 HKD
$3,030 USD
View
B
Retailer 5
-
HK$23,774 HKD
$3,030 USD
View
B
Retailer 6
-
HK$24,637 HKD
$3,140 USD
View
Most Expensive
B
77 Diamonds
MQMBASATY3P7 · Oct 30
HK$27,798 HKD
£2,790 GBP
View
6 more retailers have this diamond
Prices start from HK$18,226 HKDSave up to HK$9,572 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$18,226 HKD