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Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6531774754

Certificate GIA 6531774754

Diamond specifications and retailer prices

From $4,565 NZD
HK$20,100 HKD
As of October 29, 2026
Save $6,045 NZD (57%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $11,627 NZD at NZ Jewellers · As of September 19, 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 6531774754. Listed at 25 retailers as of October 29, 2026, with a 132% 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531774754
Dimensions6.38 × 6.41 × 4.04 mm
L/W Ratio1.00
Top View
6.38 mm6.41 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531774754
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 29
Current: $10,610 NZD|Low: $4,565 NZD|High: $10,843 NZD|Avg: $6,476 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 5$4,565 NZD
Retailer 13$4,769 NZD
Retailer 9$4,941 NZD
Retailer 18$4,941 NZD
Retailer 11$5,012 NZD
Retailer 10$5,094 NZD
Retailer 8$5,518 NZD
Retailer 6$5,729 NZD
Retailer 15$5,878 NZD
Retailer 19$6,015 NZD
Retailer 21$6,015 NZD
Retailer 17$6,210 NZD
Retailer 16$6,326 NZD
Retailer 12$6,366 NZD
Retailer 2$6,712 NZD
Retailer 14$6,863 NZD
Retailer 4$6,902 NZD
Retailer 7$7,228 NZD
Retailer 20$7,416 NZD
Retailer 3$10,199 NZD
NZ Jewellers$10,610 NZD

23 data points across 21 retailers

25 retailers$4,565 NZD to $10,610 NZD

A
Cheapest Retailer
-
$4,565 NZD
HK$20,100 HKD
A
Retailer 2
-
$4,769 NZD
$2,688 USD
View
A
Retailer 3
-
$4,941 NZD
$2,785 USD
View
A
Retailer 4
-
$4,941 NZD
$2,785 USD
View
A
Retailer 5
-
$5,012 NZD
$2,825 USD
View
A
Retailer 6
-
$5,089 NZD
A$4,413 AUD
View
A
Retailer 7
-
$5,094 NZD
$2,871 USD
View
Final sale: no returns
A
Retailer 8
-
$5,518 NZD
$3,110 USD
View
A
Retailer 9
-
$5,729 NZD
$3,229 USD
View
A
Retailer 10
-
$5,878 NZD
£2,608 GBP
View
B+
Retailer 11
-
$6,015 NZD
$3,390 USD
View
B+
Retailer 12
-
$6,015 NZD
$3,390 USD
View
B+
Retailer 13
-
$6,210 NZD
$3,500 USD
View
Retailer 14
-
$6,283 NZD
$3,541 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$6,326 NZD
£2,807 GBP
View
B+
Retailer 16
-
$6,366 NZD
$3,588 USD
View
B+
Retailer 17
-
$6,712 NZD
€3,603 EUR
View
Retailer 18
-
$6,863 NZD
A$5,951 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
$6,902 NZD
$3,890 USD
View
Price last confirmed 7 days ago
Retailer 20
-
$6,977 NZD
$3,932 USD
View
Price last confirmed 38 days ago
B+
Retailer 21
-
$7,228 NZD
$4,074 USD
View
B+
Retailer 22
-
$7,416 NZD
ZAR 67,526 ZAR
View
B
Retailer 23
-
$10,199 NZD
£4,526 GBP
View
B
Retailer 24
-
$10,610 NZD
$5,980 USD
View
Most Expensive
NZ Jewellers
de278a56-2361-45d9-a9ac-6d825ab6d4ca · Sep 19
$11,627 NZD
$6,553 USD
View
Price last confirmed 41 days ago
24 more retailers have this diamond
Prices start from $4,565 NZDSave up to $6,045 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
$4,565 NZD