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Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565524370

Certificate GIA 6565524370

Diamond specifications and retailer prices

From HK$9,635 HKD
$1,228 USD
As of October 31, 2026
Save HK$7,641 HKD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$17,276 HKD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565524370. Listed at 15 retailers as of October 31, 2026, with prices from HK$9,635 to HK$17,276, a HK$7,641 spread on the same certified stone. Helzberg Diamonds lists it at HK$17,276. 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

0.77
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565524370
Dimensions5.85 × 5.89 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.85 mm5.89 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565524370
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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$17,276 HKD|Low: HK$9,635 HKD|High: HK$17,276 HKD|Avg: HK$12,355 HKD
Helzberg 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
November 1, 2026
Retailer 13HK$9,635 HKD
Retailer 9HK$9,768 HKD
Retailer 4HK$9,807 HKD
Retailer 12HK$10,199 HKD
Retailer 5HK$10,491 HKD
Retailer 7HK$10,880 HKD
Retailer 10HK$11,769 HKD
Retailer 8HK$12,090 HKD
Retailer 14HK$13,103 HKD
Retailer 6HK$13,578 HKD
Retailer 2HK$13,840 HKD
Retailer 11HK$14,687 HKD
Retailer 3HK$15,523 HKD
Helzberg DiamondsHK$17,276 HKD

15 data points across 14 retailers

15 retailersHK$9,635 HKD to HK$17,276 HKD

A
Cheapest Retailer
-
HK$9,635 HKD
$1,228 USD
Retailer 2
-
HK$9,768 HKD
$1,245 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$9,807 HKD
$1,250 USD
View
A
Retailer 4
-
HK$10,199 HKD
$1,300 USD
View
A
Retailer 5
-
HK$10,305 HKD
SGD 1,775 SGD
View
B+
Retailer 6
-
HK$10,491 HKD
SGD 1,807 SGD
View
B+
Retailer 7
-
HK$10,880 HKD
£1,092 GBP
View
B+
Retailer 8
-
HK$11,769 HKD
$1,500 USD
View
B+
Retailer 9
-
HK$12,090 HKD
$1,541 USD
View
B+
Retailer 10
-
HK$13,103 HKD
£1,315 GBP
View
B
Retailer 11
-
HK$13,578 HKD
$1,731 USD
View
B+
Retailer 12
-
HK$13,840 HKD
€1,680 EUR
View
B+
Retailer 13
-
HK$14,687 HKD
$1,872 USD
View
B
Retailer 14
-
HK$15,523 HKD
$1,979 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLIKJNG · Nov 1
HK$17,276 HKD
$2,202 USD
View
14 more retailers have this diamond
Prices start from HK$9,635 HKDSave up to HK$7,641 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
0.77ct Round
HK$9,635 HKD