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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 £3,656 GBP
As of November 6, 2026
Save £1,140 GBP (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,796 GBP 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 £3,656 to £4,796, a £1,140 spread on the same certified stone. 77 Diamonds lists it at £4,796. 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
Colour
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: £4,796 GBP|Low: £3,656 GBP|High: £4,843 GBP|Avg: £4,245 GBP|+4.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£3,656 GBP
Retailer 3£4,327 GBP
Retailer 5£4,422 GBP
Retailer 6£4,496 GBP
Retailer 4£4,626 GBP
77 Diamonds£4,796 GBP

46 data points across 6 retailers

5 retailers£3,656 GBP to £4,796 GBP

A
Cheapest Retailer
-
£3,656 GBP
A
Retailer 2
-
£4,327 GBP
View
Final sale: no returns
B+
Retailer 3
-
£4,422 GBP
View
B+
Retailer 4
-
£4,626 GBP
View
Most Expensive
B+
77 Diamonds
OVCPSHXPFHXC · Nov 6
£4,796 GBP
View
4 more retailers have this diamond
Prices start from £3,656 GBPSave up to £1,140 GBP

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
£3,656 GBP