Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1568038340

Certificate GIA 1568038340

Diamond specifications and retailer prices

From $5,697 NZD
$3,211 USD
As of October 31, 2026
Save $4,682 NZD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,859 NZD at NZ Jewellers · As of October 20, 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 1568038340. Listed at 18 retailers as of October 29, 2026, with a 82% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568038340
Dimensions6.38 × 6.43 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle, Feather
Top View
6.38 mm6.43 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568038340
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $10,859 NZD|Low: $4,542 NZD|High: $10,859 NZD|Avg: $7,068 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$4,542 NZD
Retailer 10$5,697 NZD
Retailer 12$5,735 NZD
Retailer 6$5,957 NZD
Retailer 7$6,454 NZD
Retailer 3$6,473 NZD
Retailer 13$6,683 NZD
Retailer 9$7,166 NZD
Retailer 4$7,191 NZD
Retailer 2$7,227 NZD
Retailer 11$7,522 NZD
Retailer 8$10,379 NZD
NZ Jewellers$10,859 NZD

37 data points across 13 retailers

18 retailers$5,697 NZD to $10,379 NZD

Retailer 1
-
$4,542 NZD
HK$20,000 HKD
Price last confirmed 9 days ago
Retailer 2
-
$5,532 NZD
$3,118 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$5,697 NZD
$3,211 USD
View
Final sale: no returns
A
Retailer 4
-
$5,735 NZD
SGD 4,368 SGD
View
B+
Retailer 5
-
$5,957 NZD
£2,644 GBP
View
Retailer 6
-
$6,233 NZD
$3,513 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$6,385 NZD
SGD 4,863 SGD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$6,454 NZD
£2,864 GBP
View
Retailer 9
-
$6,473 NZD
$3,648 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$6,683 NZD
A$5,795 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$6,823 NZD
$3,846 USD
View
B+
Retailer 12
-
$7,166 NZD
£3,180 GBP
View
Retailer 13
-
$7,191 NZD
$4,053 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$7,227 NZD
€3,879 EUR
View
Retailer 15
-
$7,522 NZD
ZAR 68,490 ZAR
View
Price last confirmed 9 days ago
B
Retailer 16
-
$8,831 NZD
$4,977 USD
View
B
Retailer 17
-
$10,379 NZD
£4,606 GBP
View
Most Expensive
NZ Jewellers
4d0e2a06-9c7a-4727-8aeb-dfd30bc267a8 · Oct 20
$10,859 NZD
$6,120 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $5,697 NZDSave up to $4,682 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
$5,697 NZD