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0.85ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5403283330

Certificate GIA 5403283330

Diamond specifications and retailer prices

From HK$5,523 HKD
As of November 6, 2026
Save HK$4,568 HKD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$10,091 HKD at 77 Diamonds · As of November 4, 2026
View at 77 Diamonds

About this 0.85ct natural round diamond

This 0.85ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5403283330. Listed at 4 retailers as of November 4, 2026, with prices from HK$5,523 to HK$10,091, a HK$4,568 spread on the same certified stone. 77 Diamonds lists it at HK$10,091. 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

0.85
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5403283330
Dimensions6.15 × 6.12 × 3.75 mm
L/W Ratio1.00
Top View
6.15 mm6.12 mm0.85 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5403283330
Side View
Table 55.0%Crown 33°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$10,091 HKD|Low: HK$5,421 HKD|High: HK$11,007 HKD|Avg: HK$8,484 HKD|-8.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3HK$5,523 HKD
Retailer 7HK$7,476 HKD
Retailer 8HK$7,830 HKD
Retailer 4HK$8,441 HKD
Retailer 6HK$8,630 HKD
Retailer 5HK$9,885 HKD
Retailer 2HK$9,940 HKD
77 DiamondsHK$10,091 HKD

13 data points across 8 retailers

4 retailersHK$5,523 HKD to HK$10,091 HKD

A
Cheapest Retailer
-
HK$5,523 HKD
B+
Retailer 2
-
HK$8,441 HKD
View
B+
Retailer 3
-
HK$9,940 HKD
View
Most Expensive
B+
77 Diamonds
RBEVSGK2YHUD · Nov 4
HK$10,091 HKD
£1,013 GBP
View
3 more retailers have this diamond
Prices start from HK$5,523 HKDSave up to HK$4,568 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
0.85ct Round
HK$5,523 HKD