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Oval|Natural|GIA

1.59ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2554624740

Certificate GIA 2554624740

Diamond specifications and retailer prices

From $4,893 USD
As of November 6, 2026
Save $1,526 USD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,419 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.59ct natural oval diamond

This 1.59ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554624740. Listed at 5 retailers as of November 6, 2026, with prices from $4,893 to $6,419, a $1,526 spread on the same certified stone. 77 Diamonds lists it at $6,419. 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

1.59
Carat
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554624740
Dimensions9.25 × 6.61 × 4.20 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
9.25 mm6.61 mm1.59 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554624740
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.6%

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: Nov 6
Current: $6,419 USD|Low: $4,893 USD|High: $6,482 USD|Avg: $5,681 USD|+4.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$4,893 USD
Retailer 3$5,791 USD
Retailer 5$5,919 USD
Retailer 6$6,018 USD
Retailer 4$6,192 USD
77 Diamonds$6,419 USD

46 data points across 6 retailers

5 retailers$4,893 USD to $6,419 USD

A
Cheapest Retailer
-
$4,893 USD
A
Retailer 2
-
$5,791 USD
View
Final sale: no returns
B+
Retailer 3
-
$5,919 USD
View
B+
Retailer 4
-
$6,192 USD
View
Most Expensive
B+
77 Diamonds
OVCPSHXPFHXC · Nov 6
$6,419 USD
£5,054 GBP
View
4 more retailers have this diamond
Prices start from $4,893 USDSave up to $1,526 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.

A
1.59ct Oval
$4,893 USD