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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 €447 EUR
₹47,561 INR
As of October 30, 2026
Save €1,879 EUR (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,326 EUR at Diamond Quarter · As of October 29, 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 29, 2026, with prices from €447 to €2,326, a €1,879 spread on the same certified stone. Diamond Quarter lists it at €2,326. 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
Color
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 30
Current: €731 EUR|Low: €389 EUR|High: €1,924 EUR|Avg: €834 EUR|+0.8%
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
October 31, 2026
Retailer 8€447 EUR
Retailer 12€554 EUR
Retailer 13€601 EUR
Retailer 6€613 EUR
Retailer 3€637 EUR
Retailer 2€662 EUR
Retailer 4€708 EUR
Retailer 1€731 EUR
Retailer 11€765 EUR
Retailer 9€807 EUR
Retailer 5€923 EUR
Retailer 7€927 EUR
Retailer 10€1,395 EUR
Retailer 14€1,884 EUR

32 data points across 14 retailers

21 retailers€447 EUR to €2,326 EUR

A
Cheapest Retailer
-
€447 EUR
₹47,561 INR
A
Retailer 2
-
€554 EUR
$619 USD
View
Final sale: no returns
A
Retailer 3
-
€601 EUR
$671 USD
View
Retailer 4
-
€613 EUR
$685 USD
View
Price last confirmed 24 days ago
Retailer 5
-
€613 EUR
$685 USD
View
Price last confirmed 24 days ago
Retailer 6
-
€637 EUR
$712 USD
View
Price last confirmed 17 days ago
Retailer 7
-
€652 EUR
$728 USD
View
Price last confirmed 37 days ago
Retailer 8
-
€662 EUR
$740 USD
View
Price last confirmed 14 days ago
Retailer 9
-
€675 EUR
$754 USD
View
Price last confirmed 12 days ago
Retailer 10
-
€708 EUR
$791 USD
View
Price last confirmed 23 days ago
A
Retailer 11
-
€731 EUR
£643 GBP
View
Retailer 12
-
€752 EUR
$840 USD
View
Price last confirmed 40 days ago
B+
Retailer 13
-
€765 EUR
$855 USD
View
A
Retailer 14
-
€807 EUR
View
Retailer 15
-
€923 EUR
A$1,586 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
€927 EUR
ZAR 16,736 ZAR
View
B
Retailer 17
-
€1,395 EUR
£1,227 GBP
View
B
Retailer 18
-
€1,884 EUR
$2,105 USD
View
Retailer 19
-
€1,924 EUR
$2,149 USD
View
Price last confirmed 29 days ago
Retailer 20
-
€2,044 EUR
$2,284 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Diamond Quarter
0.59SI1G15158801N · Oct 29
€2,326 EUR
£2,046 GBP
View
20 more retailers have this diamond
Prices start from €447 EURSave up to €1,879 EUR

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
€447 EUR