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Round|Natural|GIA

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1525159336

Certificate GIA 1525159336

Diamond specifications and retailer prices

From $2,479 SGD
As of November 5, 2026
Save $4,727 SGD (66%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,878 SGD at NZ Jewellers · As of September 15, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525159336. Listed at 17 retailers as of November 5, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1525159336
Dimensions6.44 × 6.40 × 4.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
6.44 mm6.40 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525159336
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Nov 5
Current: $7,207 SGD|Low: $2,479 SGD|High: $7,878 SGD|Avg: $3,791 SGD|-8.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$2,479 SGD
Retailer 9$2,518 SGD
Retailer 4$3,023 SGD
Retailer 10$3,087 SGD
Retailer 2$3,500 SGD
Retailer 3$3,626 SGD
Retailer 6$3,723 SGD
Retailer 7$3,869 SGD
Retailer 8$6,039 SGD
NZ Jewellers$7,207 SGD

30 data points across 10 retailers

17 retailers$2,479 SGD to $7,207 SGD

A
Cheapest Retailer
-
$2,479 SGD
A
Retailer 2
-
$2,518 SGD
View
A
Retailer 3
-
$3,023 SGD
View
A
Retailer 4
-
$3,046 SGD
View
A
Retailer 5
-
$3,087 SGD
View
Retailer 6
-
$3,253 SGD
View
Price last confirmed 82 days ago
A
Retailer 7
-
$3,447 SGD
View
A
Retailer 8
-
$3,500 SGD
View
A
Retailer 9
-
$3,580 SGD
View
A
Retailer 10
-
$3,626 SGD
View
A
Retailer 11
-
$3,628 SGD
View
A
Retailer 12
-
$3,723 SGD
View
A
Retailer 13
-
$3,869 SGD
View
B+
Retailer 14
-
$3,978 SGD
View
B+
Retailer 15
-
$6,039 SGD
View
B
Retailer 16
-
$7,207 SGD
View
Most Expensive
NZ Jewellers
2486f342-7bd9-4681-9583-47cfd3408ee9 · Sep 15
$7,878 SGD
$6,168 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from $2,479 SGDSave up to $4,727 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
$2,479 SGD