Round|Natural|GIA

1.64ct J IF Round Natural Diamond

EX • J/IF • GIA 2557906305

Certificate GIA 2557906305

Diamond specifications and retailer prices

From $13,086 NZD
$7,363 USD
As of November 2, 2026
Save $9,580 NZD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $22,667 NZD 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 $13,086 to $22,667, a $9,580 spread on the same certified stone. MOH London lists it at $22,667. 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: Nov 2
Current: $22,667 NZD|Low: $11,897 NZD|High: $22,818 NZD|Avg: $16,603 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$13,086 NZD
Retailer 4$14,478 NZD
Retailer 5$16,348 NZD
Retailer 2$16,879 NZD
MOH London$22,667 NZD

21 data points across 5 retailers

5 retailers$13,086 NZD to $22,667 NZD

B+
Cheapest Retailer
-
$13,086 NZD
$7,363 USD
Final sale: no returns
B+
Retailer 2
-
$14,478 NZD
$8,146 USD
View
B+
Retailer 3
-
$16,348 NZD
$9,198 USD
View
B+
Retailer 4
-
$16,879 NZD
€9,045 EUR
View
Most Expensive
B
MOH London
A4145C61A · Oct 29
$22,667 NZD
£10,042 GBP
View
4 more retailers have this diamond
Prices start from $13,086 NZDSave up to $9,580 NZD

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
$13,086 NZD