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Round|Natural|GIA

1.64ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6512267532

Certificate GIA 6512267532

Diamond specifications and retailer prices

From $9,259 NZD
HK$40,700 HKD
As of November 1, 2026
Save $11,667 NZD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $20,926 NZD 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 $9,259 to $20,926, a $11,667 spread on the same certified stone. NZ Jewellers lists it at $20,926. 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: $20,926 NZD|Low: $9,168 NZD|High: $21,002 NZD|Avg: $13,063 NZD|-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$9,259 NZD
Retailer 9$10,776 NZD
Retailer 4$10,913 NZD
Retailer 7$11,549 NZD
Retailer 8$12,512 NZD
Retailer 5$12,704 NZD
Retailer 10$13,292 NZD
Retailer 2$13,612 NZD
Retailer 6$14,437 NZD
NZ Jewellers$20,926 NZD

22 data points across 10 retailers

8 retailers$9,259 NZD to $20,926 NZD

A
Cheapest Retailer
-
$9,259 NZD
HK$40,700 HKD
B+
Retailer 2
-
$10,913 NZD
$6,140 USD
View
B+
Retailer 3
-
$11,549 NZD
$6,498 USD
View
B+
Retailer 4
-
$12,512 NZD
$7,040 USD
View
B+
Retailer 5
-
$12,704 NZD
$7,148 USD
View
B+
Retailer 6
-
$13,612 NZD
€7,294 EUR
View
B
Retailer 7
-
$14,437 NZD
$8,123 USD
View
Most Expensive
B
NZ Jewellers
9a756e69-1c1c-4f17-b479-10fa98c22f1f · Oct 30
$20,926 NZD
$11,774 USD
View
7 more retailers have this diamond
Prices start from $9,259 NZDSave up to $11,667 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.

A
1.64ct Round
$9,259 NZD