CaratHunter
Plans
Round|Natural|GIA

1.64ct J IF Round Natural Diamond

EX • J/IF • GIA 2557906305

Certificate GIA 2557906305

Diamond specifications and retailer prices

From £5,495 GBP
$7,363 USD
As of October 31, 2026
Save £4,023 GBP (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £9,518 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.64ct natural round diamond

This 1.64ct 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 2557906305. Listed at 5 retailers as of October 29, 2026, with prices from £5,495 to £9,518, a £4,023 spread on the same certified stone. MOH London lists it at £9,518. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557906305
Dimensions7.51 × 7.55 × 4.63 mm
L/W Ratio1.01
Star length50%
Top View
7.51 mm7.55 mm1.64 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557906305
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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 31
Current: £9,518 GBP|Low: £4,996 GBP|High: £9,582 GBP|Avg: £6,970 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3£5,495 GBP
Retailer 4£6,080 GBP
Retailer 5£6,865 GBP
Retailer 2£7,120 GBP
MOH London£9,518 GBP

20 data points across 5 retailers

5 retailers£5,495 GBP to £9,518 GBP

B+
Cheapest Retailer
-
£5,495 GBP
$7,363 USD
Final sale: no returns
B+
Retailer 2
-
£6,080 GBP
$8,146 USD
View
B+
Retailer 3
-
£6,865 GBP
$9,198 USD
View
B+
Retailer 4
-
£7,120 GBP
€9,086 EUR
View
Most Expensive
B
MOH London
A4145C61A · Oct 29
£9,518 GBP
View
4 more retailers have this diamond
Prices start from £5,495 GBPSave up to £4,023 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+
1.64ct Round
£5,495 GBP