Round|Natural|GIA

0.59ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553378293

Certificate GIA 5553378293

Diamond specifications and retailer prices

From $910 USD
As of October 31, 2026
Save $100 USD (10%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,138 USD at Frank Darling · As of October 21, 2026
View at Frank Darling

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 5553378293. Listed at 14 retailers as of October 30, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553378293
Dimensions5.35 × 3.34 × 3.34 mm
L/W Ratio1.60
Culet sizeNone
Top View
5.35 mm3.34 mm0.59 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553378293
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,138 USD|Low: $717 USD|High: $1,196 USD|Avg: $930 USD|-4.8%
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
October 30, 2026
Retailer 6$717 USD
Retailer 5$718 USD
Retailer 7$750 USD
Retailer 14$757 USD
Retailer 11$763 USD
Retailer 3$935 USD
Retailer 10$963 USD
Retailer 12$965 USD
Retailer 8$970 USD
Retailer 9$970 USD
Retailer 4$1,005 USD
Retailer 2$1,010 USD
Retailer 15$1,053 USD
Retailer 13$1,076 USD
Frank Darling$1,138 USD

37 data points across 15 retailers

14 retailers$910 USD to $1,010 USD

Retailer 1
-
$717 USD
SGD 969 SGD
Price last confirmed 10 days ago
Retailer 2
-
$718 USD
SGD 970 SGD
View
Price last confirmed 11 days ago
Retailer 3
-
$750 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$757 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$763 USD
£601 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$910 USD
View
Retailer 7
-
$935 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$963 USD
€917 EUR
View
Price last confirmed 10 days ago
Retailer 9
-
$965 USD
£760 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$970 USD
View
B+
Retailer 11
-
$970 USD
View
B+
Retailer 12
-
$1,010 USD
View
Retailer 13
-
$1,076 USD
View
Price last confirmed 11 days ago
Most Expensive
Frank Darling
2649037HK · Oct 21
$1,138 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $910 USDSave up to $100 USD

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.

B+
0.59ct Round
$910 USD