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Round|Natural|GIA

1.59ct J IF Round Natural Diamond

EX • J/IF • GIA 2517990348

Certificate GIA 2517990348

Diamond specifications and retailer prices

From £5,354 GBP
$7,174 USD
As of October 30, 2026
Save £4,656 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £10,010 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.59ct natural round diamond

This 1.59ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2517990348. Listed at 5 retailers as of October 30, 2026, with prices from £5,354 to £10,010, a £4,656 spread on the same certified stone. NZ Jewellers lists it at £10,010. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2517990348
Dimensions7.40 × 7.45 × 4.66 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
7.40 mm7.45 mm1.59 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517990348
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £10,010 GBP|Low: £4,387 GBP|High: £10,010 GBP|Avg: £6,993 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5£5,354 GBP
Retailer 4£5,524 GBP
Retailer 2£6,252 GBP
Retailer 3£8,386 GBP
NZ Jewellers£10,010 GBP

23 data points across 5 retailers

5 retailers£5,354 GBP to £10,010 GBP

B+
Cheapest Retailer
-
£5,354 GBP
$7,174 USD
B+
Retailer 2
-
£5,524 GBP
$7,402 USD
View
Final sale: no returns
B+
Retailer 3
-
£6,252 GBP
€7,978 EUR
View
B
Retailer 4
-
£8,386 GBP
View
Most Expensive
B
NZ Jewellers
6ba32214-beb3-42ce-8900-2817dbdcdfa6 · Oct 30
£10,010 GBP
$13,412 USD
View
4 more retailers have this diamond
Prices start from £5,354 GBPSave up to £4,656 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.

B+
1.59ct Round
£5,354 GBP