Round|Natural|GIA

1.64ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6512267532

Certificate GIA 6512267532

Diamond specifications and retailer prices

From $7,277 CAD
HK$40,700 HKD
As of October 31, 2026
Save $9,170 CAD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $16,447 CAD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $7,277 to $16,447, a $9,170 spread on the same certified stone. NZ Jewellers lists it at $16,447. 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
Color
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: Oct 31
Current: $16,447 CAD|Low: $7,206 CAD|High: $16,507 CAD|Avg: $10,270 CAD|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2$7,277 CAD
Retailer 9$8,469 CAD
Retailer 4$8,577 CAD
Retailer 7$9,077 CAD
Retailer 8$9,834 CAD
Retailer 5$9,985 CAD
Retailer 10$10,447 CAD
Retailer 3$10,745 CAD
Retailer 6$11,347 CAD
NZ Jewellers$16,447 CAD

21 data points across 10 retailers

8 retailers$7,277 CAD to $16,447 CAD

A
Cheapest Retailer
-
$7,277 CAD
HK$40,700 HKD
B+
Retailer 2
-
$8,577 CAD
$6,140 USD
View
B+
Retailer 3
-
$9,077 CAD
$6,498 USD
View
B+
Retailer 4
-
$9,834 CAD
$7,040 USD
View
B+
Retailer 5
-
$9,985 CAD
$7,148 USD
View
B+
Retailer 6
-
$10,745 CAD
€7,326 EUR
View
B
Retailer 7
-
$11,347 CAD
$8,123 USD
View
Most Expensive
B
NZ Jewellers
9a756e69-1c1c-4f17-b479-10fa98c22f1f · Oct 30
$16,447 CAD
$11,774 USD
View
7 more retailers have this diamond
Prices start from $7,277 CADSave up to $9,170 CAD

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
$7,277 CAD