Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1559406456

Certificate GIA 1559406456

Diamond specifications and retailer prices

From $4,784 NZD
As of November 4, 2026
Save $5,029 NZD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,813 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559406456. Listed at 14 retailers as of November 4, 2026, with prices from $4,784 to $9,813, a $5,029 spread on the same certified stone. NZ Jewellers lists it at $9,813. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.66°
Pavilion angle35.59°
OriginNatural
Grading LabGIA
CertificateGIA 1559406456
Dimensions6.65 × 5.11 × 3.45 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Cloud, Crystal, Needle
Top View
6.65 mm5.11 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559406456
Side View
Table 68.0%Crown 49.66°Girdle: SLI-POLPavilion 35.59°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $9,813 NZD|Low: $4,742 NZD|High: $9,813 NZD|Avg: $6,337 NZD|+1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 11$4,784 NZD
Retailer 6$5,046 NZD
Retailer 3$5,255 NZD
Retailer 7$5,332 NZD
Retailer 2$5,475 NZD
Retailer 4$5,810 NZD
Retailer 5$5,827 NZD
Retailer 8$6,557 NZD
Retailer 9$6,839 NZD
Retailer 10$9,119 NZD
NZ Jewellers$9,813 NZD

23 data points across 11 retailers

14 retailers$4,784 NZD to $9,813 NZD

B+
Cheapest Retailer
-
$4,784 NZD
Retailer 2
-
$4,961 NZD
View
Price last confirmed 40 days ago
B+
Retailer 3
-
$5,046 NZD
View
Retailer 4
-
$5,078 NZD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$5,255 NZD
View
B+
Retailer 6
-
$5,332 NZD
View
B+
Retailer 7
-
$5,475 NZD
View
Retailer 8
-
$5,536 NZD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$5,810 NZD
View
B+
Retailer 10
-
$5,827 NZD
View
B+
Retailer 11
-
$6,557 NZD
View
B
Retailer 12
-
$6,839 NZD
View
B
Retailer 13
-
$9,119 NZD
View
Most Expensive
B
NZ Jewellers
4a1feb90-d5f7-4be9-8a11-bb382d051b86 · Nov 5
$9,813 NZD
$5,440 USD
View
13 more retailers have this diamond
Prices start from $4,784 NZDSave up to $5,029 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.

B+
1.02ct Radiant
$4,784 NZD