CaratHunter
Plans
Round|Natural|GIA

1.64ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6512267532

Certificate GIA 6512267532

Diamond specifications and retailer prices

From $7,434 AUD
HK$40,700 HKD
As of November 1, 2026
Save $9,367 AUD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $16,800 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.64ct natural round diamond

This 1.64ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512267532. Listed at 8 retailers as of November 1, 2026, with prices from $7,434 to $16,800, a $9,367 spread on the same certified stone. NZ Jewellers lists it at $16,800. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512267532
Dimensions7.46 × 7.53 × 4.68 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.46 mm7.53 mm1.64 ctD / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512267532
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 1
Current: $16,800 AUD|Low: $7,361 AUD|High: $16,862 AUD|Avg: $10,488 AUD|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$7,434 AUD
Retailer 9$8,651 AUD
Retailer 4$8,761 AUD
Retailer 7$9,272 AUD
Retailer 8$10,045 AUD
Retailer 5$10,199 AUD
Retailer 10$10,672 AUD
Retailer 2$10,928 AUD
Retailer 6$11,591 AUD
NZ Jewellers$16,800 AUD

22 data points across 10 retailers

8 retailers$7,434 AUD to $16,800 AUD

A
Cheapest Retailer
-
$7,434 AUD
HK$40,700 HKD
B+
Retailer 2
-
$8,761 AUD
$6,140 USD
View
B+
Retailer 3
-
$9,272 AUD
$6,498 USD
View
B+
Retailer 4
-
$10,045 AUD
$7,040 USD
View
B+
Retailer 5
-
$10,199 AUD
$7,148 USD
View
B+
Retailer 6
-
$10,928 AUD
€7,294 EUR
View
B
Retailer 7
-
$11,591 AUD
$8,123 USD
View
Most Expensive
B
NZ Jewellers
9a756e69-1c1c-4f17-b479-10fa98c22f1f · Nov 2
$16,800 AUD
$11,774 USD
View
7 more retailers have this diamond
Prices start from $7,434 AUDSave up to $9,367 AUD

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
1.64ct Round
$7,434 AUD