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Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1559406456

Certificate GIA 1559406456

Diamond specifications and retailer prices

From $3,395 SGD
$2,656 USD
As of November 1, 2026
Save $3,532 SGD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,928 SGD 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 $3,395 to $6,928, a $3,532 spread on the same certified stone. NZ Jewellers lists it at $6,928. 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 1
Current: $6,928 SGD|Low: $3,352 SGD|High: $6,928 SGD|Avg: $4,374 SGD|+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$3,395 SGD
Retailer 11$3,528 SGD
Retailer 4$3,599 SGD
Retailer 9$3,724 SGD
Retailer 2$3,786 SGD
Retailer 8$3,867 SGD
Retailer 3$4,087 SGD
Retailer 6$4,155 SGD
Retailer 5$4,652 SGD
Retailer 10$4,888 SGD
Retailer 7$6,491 SGD
NZ Jewellers$6,928 SGD

23 data points across 12 retailers

14 retailers$3,395 SGD to $6,928 SGD

B+
Cheapest Retailer
-
$3,395 SGD
$2,656 USD
Retailer 2
-
$3,516 SGD
$2,750 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$3,528 SGD
$2,760 USD
View
B+
Retailer 4
-
$3,599 SGD
$2,815 USD
View
B+
Retailer 5
-
$3,724 SGD
$2,913 USD
View
B+
Retailer 6
-
$3,786 SGD
£2,332 GBP
View
B+
Retailer 7
-
$3,867 SGD
$3,025 USD
View
Retailer 8
-
$3,924 SGD
A$4,722 AUD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$4,087 SGD
$3,197 USD
View
B+
Retailer 10
-
$4,155 SGD
£2,559 GBP
View
B+
Retailer 11
-
$4,652 SGD
€3,466 EUR
View
B
Retailer 12
-
$4,888 SGD
ZAR 61,766 ZAR
View
B
Retailer 13
-
$6,491 SGD
£3,998 GBP
View
Most Expensive
B
NZ Jewellers
4a1feb90-d5f7-4be9-8a11-bb382d051b86 · Oct 30
$6,928 SGD
$5,419 USD
View
13 more retailers have this diamond
Prices start from $3,395 SGDSave up to $3,532 SGD

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
$3,395 SGD