Round|Natural|GIA

1.64ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6512267532

Certificate GIA 6512267532

Diamond specifications and retailer prices

From $5,210 USD
HK$40,700 HKD
As of October 31, 2026
Save $6,564 USD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,774 USD 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 $5,210 to $11,774, a $6,564 spread on the same certified stone. NZ Jewellers lists it at $11,774. 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: $11,774 USD|Low: $5,158 USD|High: $11,817 USD|Avg: $7,352 USD|-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$5,210 USD
Retailer 9$6,063 USD
Retailer 4$6,140 USD
Retailer 7$6,498 USD
Retailer 8$7,040 USD
Retailer 5$7,148 USD
Retailer 10$7,479 USD
Retailer 3$7,692 USD
Retailer 6$8,123 USD
NZ Jewellers$11,774 USD

21 data points across 10 retailers

8 retailers$5,210 USD to $11,774 USD

A
Cheapest Retailer
-
$5,210 USD
HK$40,700 HKD
B+
Retailer 2
-
$6,140 USD
View
B+
Retailer 3
-
$6,498 USD
View
B+
Retailer 4
-
$7,040 USD
View
B+
Retailer 5
-
$7,148 USD
View
B+
Retailer 6
-
$7,692 USD
€7,326 EUR
View
B
Retailer 7
-
$8,123 USD
View
Most Expensive
B
NZ Jewellers
9a756e69-1c1c-4f17-b479-10fa98c22f1f · Oct 30
$11,774 USD
View
7 more retailers have this diamond
Prices start from $5,210 USDSave up to $6,564 USD

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
$5,210 USD