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Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559817085

Certificate GIA 1559817085

Diamond specifications and retailer prices

From HK$8,010 HKD
$1,021 USD
As of October 28, 2026
Save HK$4,735 HKD (37%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$13,751 HKD at Cape Diamonds · As of October 26, 2026
View at Cape Diamonds

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559817085. Listed at 13 retailers as of October 26, 2026, with a 59% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559817085
Dimensions5.66 × 5.69 × 3.37 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.66 mm5.69 mm0.65 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559817085
Side View
Table 61.0%Crown 32.5°Girdle: MED-MEDPavilion 41.4°Culet: NoneDepth 59.3%

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 28
Current: HK$13,751 HKD|Low: HK$8,010 HKD|High: HK$13,811 HKD|Avg: HK$10,649 HKD|+2.4%
Cape 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
October 28, 2026
Retailer 13HK$8,010 HKD
Retailer 12HK$8,042 HKD
Retailer 11HK$9,438 HKD
Retailer 8HK$10,121 HKD
Retailer 10HK$10,121 HKD
Retailer 2HK$10,423 HKD
Retailer 9HK$10,435 HKD
Retailer 5HK$10,597 HKD
Retailer 7HK$11,409 HKD
Retailer 6HK$11,599 HKD
Retailer 3HK$11,868 HKD
Retailer 4HK$12,745 HKD
Cape DiamondsHK$13,751 HKD

38 data points across 13 retailers

13 retailersHK$8,010 HKD to HK$12,745 HKD

A
Cheapest Retailer
-
HK$8,010 HKD
$1,021 USD
Retailer 2
-
HK$8,042 HKD
$1,025 USD
View
Price last confirmed 5 days ago
B+
Retailer 3
-
HK$9,438 HKD
$1,203 USD
View
B
Retailer 4
-
HK$10,121 HKD
$1,290 USD
View
B
Retailer 5
-
HK$10,121 HKD
$1,290 USD
View
B+
Retailer 6
-
HK$10,423 HKD
£1,046 GBP
View
B+
Retailer 7
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 8
-
HK$10,597 HKD
A$2,078 AUD
View
B
Retailer 9
-
HK$11,409 HKD
£1,145 GBP
View
B+
Retailer 10
-
HK$11,599 HKD
€1,408 EUR
View
B
Retailer 11
-
HK$11,868 HKD
$1,513 USD
View
B
Retailer 12
-
HK$12,745 HKD
$1,624 USD
View
Most Expensive
B
Cape Diamonds
cert_1559817085 · Oct 26
HK$13,751 HKD
ZAR 28,315 ZAR
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from HK$8,010 HKDSave up to HK$4,735 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$8,010 HKD