Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6512980115

Certificate GIA 6512980115

Diamond specifications and retailer prices

From $3,458 SGD
As of November 5, 2026
Save $3,969 SGD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,426 SGD at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512980115. Listed at 21 retailers as of November 5, 2026, with prices from $3,458 to $7,426, a $3,969 spread on the same certified stone. NZ Jewellers lists it at $7,426. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6512980115
Dimensions6.52 × 6.47 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Needle
Top View
6.52 mm6.47 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512980115
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: Nov 5
Current: $4,078 SGD|Low: $3,500 SGD|High: $7,213 SGD|Avg: $4,990 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,500 SGD
Retailer 10$3,564 SGD
Retailer 1$4,078 SGD
Retailer 3$4,357 SGD
Retailer 2$4,554 SGD
Retailer 4$4,962 SGD
Retailer 5$4,964 SGD
Retailer 6$5,202 SGD
Retailer 9$6,934 SGD
Retailer 7$7,109 SGD

31 data points across 10 retailers

21 retailers$3,458 SGD to $7,426 SGD

A
Cheapest Retailer
-
$3,458 SGD
A
Retailer 2
-
$3,461 SGD
View
A
Retailer 3
-
$3,500 SGD
View
A
Retailer 4
-
$3,564 SGD
View
Final sale: no returns
Retailer 5
-
$3,861 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,861 SGD
View
B+
Retailer 7
-
$3,892 SGD
View
B+
Retailer 8
-
$4,009 SGD
View
B+
Retailer 9
-
$4,078 SGD
View
B+
Retailer 10
-
$4,357 SGD
View
B+
Retailer 11
-
$4,379 SGD
View
B+
Retailer 12
-
$4,455 SGD
View
Retailer 13
-
$4,554 SGD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$4,713 SGD
View
Retailer 15
-
$4,944 SGD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$4,962 SGD
View
B+
Retailer 17
-
$4,964 SGD
View
B+
Retailer 18
-
$5,202 SGD
View
Retailer 19
-
$6,934 SGD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$7,109 SGD
View
Most Expensive
B
NZ Jewellers
a563666c-9537-4041-8601-ae42838307d9 · Nov 5
$7,426 SGD
$5,814 USD
View
20 more retailers have this diamond
Prices start from $3,458 SGDSave up to $3,969 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.

A
1.02ct Round
$3,458 SGD