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Round|Natural|GIA

0.59ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1518309015

Certificate GIA 1518309015

Diamond specifications and retailer prices

From HK$3,904 HKD
₹47,396 INR
As of October 31, 2026
Save HK$16,484 HKD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$20,389 HKD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 0.59ct natural round diamond

This 0.59ct 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 1518309015. Listed at 21 retailers as of October 31, 2026, with prices from HK$3,904 to HK$20,389, a HK$16,484 spread on the same certified stone. Diamond Quarter lists it at HK$20,389. 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

0.59
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1518309015
Dimensions5.38 × 5.36 × 3.33 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.38 mm5.36 mm0.59 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1518309015
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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$7,027 HKD|Low: HK$3,413 HKD|High: HK$16,860 HKD|Avg: HK$7,326 HKD|-4.6%
Retailer 1
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 10HK$3,904 HKD
Retailer 13HK$4,856 HKD
Retailer 14HK$5,264 HKD
Retailer 7HK$5,296 HKD
Retailer 6HK$5,374 HKD
Retailer 3HK$5,586 HKD
Retailer 4HK$6,206 HKD
Retailer 9HK$6,462 HKD
Retailer 12HK$6,708 HKD
Retailer 1HK$7,027 HKD
Retailer 5HK$8,086 HKD
Retailer 11HK$8,128 HKD
Retailer 8HK$12,156 HKD
Retailer 2HK$16,515 HKD

31 data points across 14 retailers

21 retailersHK$3,904 HKD to HK$20,389 HKD

A
Cheapest Retailer
-
HK$3,904 HKD
₹47,396 INR
A
Retailer 2
-
HK$4,856 HKD
$619 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,264 HKD
$671 USD
View
A
Retailer 4
-
HK$5,296 HKD
$675 USD
View
Retailer 5
-
HK$5,374 HKD
$685 USD
View
Price last confirmed 25 days ago
Retailer 6
-
HK$5,374 HKD
$685 USD
View
Price last confirmed 25 days ago
Retailer 7
-
HK$5,586 HKD
$712 USD
View
Price last confirmed 18 days ago
Retailer 8
-
HK$5,712 HKD
$728 USD
View
Price last confirmed 38 days ago
Retailer 9
-
HK$5,916 HKD
$754 USD
View
Price last confirmed 13 days ago
Retailer 10
-
HK$6,206 HKD
$791 USD
View
Price last confirmed 24 days ago
A
Retailer 11
-
HK$6,462 HKD
£649 GBP
View
Retailer 12
-
HK$6,590 HKD
$840 USD
View
Price last confirmed 41 days ago
B+
Retailer 13
-
HK$6,708 HKD
$855 USD
View
A
Retailer 14
-
HK$7,027 HKD
€853 EUR
View
Retailer 15
-
HK$8,086 HKD
A$1,586 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
HK$8,128 HKD
ZAR 16,736 ZAR
View
B
Retailer 17
-
HK$12,156 HKD
£1,220 GBP
View
B
Retailer 18
-
HK$16,515 HKD
$2,105 USD
View
Retailer 19
-
HK$16,860 HKD
$2,149 USD
View
Price last confirmed 30 days ago
Retailer 20
-
HK$17,920 HKD
$2,284 USD
View
Price last confirmed 39 days ago
Most Expensive
B
Diamond Quarter
0.59SI1G15158801N · Oct 31
HK$20,389 HKD
£2,046 GBP
View
20 more retailers have this diamond
Prices start from HK$3,904 HKDSave up to HK$16,484 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
0.59ct Round
HK$3,904 HKD