Round|Natural|GIA

0.65ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566192907

Certificate GIA 2566192907

Diamond specifications and retailer prices

From HK$6,050 HKD
$771 USD
As of October 31, 2026
Save HK$3,789 HKD (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,839 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566192907. Listed at 15 retailers as of October 31, 2026, with prices from HK$6,050 to HK$9,839, a HK$3,789 spread on the same certified stone. Frank Darling lists it at HK$9,839. 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

0.65
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566192907
Dimensions5.52 × 5.53 × 3.46 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.52 mm5.53 mm0.65 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566192907
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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$9,839 HKD|Low: HK$6,050 HKD|High: HK$9,987 HKD|Avg: HK$7,715 HKD|-1.3%
Frank Darling
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
November 1, 2026
Retailer 15HK$6,050 HKD
Retailer 3HK$6,198 HKD
Retailer 11HK$6,334 HKD
Retailer 10HK$6,551 HKD
Retailer 7HK$6,584 HKD
Retailer 5HK$6,724 HKD
Retailer 14HK$6,794 HKD
Retailer 9HK$7,329 HKD
Retailer 2HK$7,595 HKD
Retailer 6HK$7,595 HKD
Retailer 12HK$8,619 HKD
Retailer 8HK$8,806 HKD
Retailer 4HK$9,219 HKD
Retailer 13HK$9,795 HKD
Frank DarlingHK$9,839 HKD

32 data points across 15 retailers

15 retailersHK$6,050 HKD to HK$9,839 HKD

A
Cheapest Retailer
-
HK$6,050 HKD
$771 USD
A
Retailer 2
-
HK$6,198 HKD
$790 USD
View
A
Retailer 3
-
HK$6,334 HKD
SGD 1,091 SGD
View
A
Retailer 4
-
HK$6,551 HKD
$835 USD
View
A
Retailer 5
-
HK$6,584 HKD
SGD 1,134 SGD
View
A
Retailer 6
-
HK$6,724 HKD
$857 USD
View
A
Retailer 7
-
HK$6,794 HKD
$866 USD
View
B+
Retailer 8
-
HK$7,329 HKD
£736 GBP
View
B+
Retailer 9
-
HK$7,595 HKD
$968 USD
View
B+
Retailer 10
-
HK$7,595 HKD
$968 USD
View
B+
Retailer 11
-
HK$8,619 HKD
£865 GBP
View
B+
Retailer 12
-
HK$8,806 HKD
€1,069 EUR
View
B+
Retailer 13
-
HK$9,219 HKD
$1,175 USD
View
B+
Retailer 14
-
HK$9,795 HKD
$1,248 USD
View
Most Expensive
B+
Frank Darling
2687175HK · Oct 31
HK$9,839 HKD
$1,254 USD
View
14 more retailers have this diamond
Prices start from HK$6,050 HKDSave up to HK$3,789 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
0.65ct Round
HK$6,050 HKD