Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1559406456

Certificate GIA 1559406456

Diamond specifications and retailer prices

From $2,656 USD
As of November 1, 2026
Save $2,763 USD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,419 USD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $2,656 to $5,419, a $2,763 spread on the same certified stone. NZ Jewellers lists it at $5,419. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,419 USD|Low: $2,622 USD|High: $5,419 USD|Avg: $3,420 USD|+1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$2,656 USD
Retailer 11$2,760 USD
Retailer 4$2,815 USD
Retailer 9$2,913 USD
Retailer 6$2,962 USD
Retailer 8$3,025 USD
Retailer 3$3,197 USD
Retailer 5$3,250 USD
Retailer 2$3,639 USD
Retailer 10$3,823 USD
Retailer 7$5,077 USD
NZ Jewellers$5,419 USD

23 data points across 12 retailers

14 retailers$2,656 USD to $5,419 USD

B+
Cheapest Retailer
-
$2,656 USD
Retailer 2
-
$2,750 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$2,760 USD
View
B+
Retailer 4
-
$2,815 USD
View
B+
Retailer 5
-
$2,913 USD
View
B+
Retailer 6
-
$2,962 USD
£2,332 GBP
View
B+
Retailer 7
-
$3,025 USD
View
Retailer 8
-
$3,069 USD
A$4,722 AUD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$3,197 USD
View
B+
Retailer 10
-
$3,250 USD
£2,559 GBP
View
B+
Retailer 11
-
$3,639 USD
€3,466 EUR
View
B
Retailer 12
-
$3,823 USD
ZAR 61,766 ZAR
View
B
Retailer 13
-
$5,077 USD
£3,998 GBP
View
Most Expensive
B
NZ Jewellers
4a1feb90-d5f7-4be9-8a11-bb382d051b86 · Oct 30
$5,419 USD
View
13 more retailers have this diamond
Prices start from $2,656 USDSave up to $2,763 USD

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
$2,656 USD