Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2564016528

Certificate GIA 2564016528

Diamond specifications and retailer prices

From $5,251 NZD
A$4,553 AUD
As of October 31, 2026
Save $5,651 NZD (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,297 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564016528. Listed at 22 retailers as of October 29, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2564016528
Dimensions6.39 × 6.43 × 4.04 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.39 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564016528
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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: $11,297 NZD|Low: $4,684 NZD|High: $11,297 NZD|Avg: $7,457 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2$5,251 NZD
Retailer 5$5,585 NZD
Retailer 7$5,806 NZD
Retailer 3$6,156 NZD
Retailer 11$6,485 NZD
Retailer 8$6,735 NZD
Retailer 6$6,938 NZD
Retailer 10$6,946 NZD
Retailer 4$7,733 NZD
Retailer 9$10,902 NZD
NZ Jewellers$11,297 NZD

43 data points across 11 retailers

22 retailers$5,251 NZD to $10,902 NZD

A
Cheapest Retailer
-
$5,251 NZD
A$4,553 AUD
A
Retailer 2
-
$5,585 NZD
$3,148 USD
View
B+
Retailer 3
-
$5,806 NZD
$3,272 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,156 NZD
A$5,338 AUD
View
B+
Retailer 5
-
$6,228 NZD
$3,510 USD
View
Retailer 6
-
$6,485 NZD
$3,655 USD
View
Price last confirmed 54 days ago
Retailer 7
-
$6,485 NZD
$3,655 USD
View
Price last confirmed 44 days ago
Retailer 8
-
$6,485 NZD
$3,655 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$6,485 NZD
$3,655 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$6,733 NZD
$3,795 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$6,735 NZD
£2,989 GBP
View
B+
Retailer 12
-
$6,743 NZD
$3,800 USD
View
B+
Retailer 13
-
$6,938 NZD
€3,724 EUR
View
Retailer 14
-
$6,946 NZD
A$6,023 AUD
View
Price last confirmed 22 days ago
Retailer 15
-
$7,482 NZD
$4,217 USD
View
Price last confirmed 54 days ago
Retailer 16
-
$7,482 NZD
$4,217 USD
View
Price last confirmed 44 days ago
Retailer 17
-
$7,482 NZD
$4,217 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$7,733 NZD
ZAR 70,411 ZAR
View
B
Retailer 19
-
$10,902 NZD
£4,838 GBP
View
Retailer 20
-
$11,297 NZD
$6,367 USD
View
Price last confirmed 43 days ago
Retailer 21
-
$11,297 NZD
$6,367 USD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
fd0aff89-c771-45ef-8c4c-eca964b0d79d · Sep 28
$11,297 NZD
$6,367 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from $5,251 NZDSave up to $5,651 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
1.02ct Round
$5,251 NZD