Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555587184

Certificate GIA 1555587184

Diamond specifications and retailer prices

From $4,896 NZD
As of October 30, 2026
Save $767 NZD (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,474 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 1555587184. Listed at 11 retailers as of October 30, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555587184
Dimensions6.46 × 6.51 × 3.99 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.46 mm6.51 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555587184
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 30
Current: $9,474 NZD|Low: $3,938 NZD|High: $9,939 NZD|Avg: $6,275 NZD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$3,938 NZD
Retailer 2$4,684 NZD
Retailer 6$4,896 NZD
Retailer 8$5,438 NZD
Retailer 9$5,580 NZD
Retailer 10$5,662 NZD
Retailer 3$6,306 NZD
Retailer 7$8,236 NZD
Retailer 5$9,031 NZD
NZ Jewellers$9,474 NZD

33 data points across 10 retailers

11 retailers$4,896 NZD to $5,662 NZD

Retailer 1
-
$3,938 NZD
Price last confirmed 7 days ago
Retailer 2
-
$4,684 NZD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$4,896 NZD
View
Retailer 4
-
$5,438 NZD
View
Price last confirmed 15 days ago
Retailer 5
-
$5,580 NZD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$5,662 NZD
View
Retailer 7
-
$5,717 NZD
View
Price last confirmed 22 days ago
Retailer 8
-
$6,306 NZD
View
Price last confirmed 8 days ago
Retailer 9
-
$8,236 NZD
View
Price last confirmed 16 days ago
Retailer 10
-
$9,031 NZD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
89a0f8b9-dc52-4308-86f8-642617521619 · Oct 20
$9,474 NZD
$5,326 USD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $4,896 NZDSave up to $767 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
$4,896 NZD