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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2566398726

Certificate GIA 2566398726

Diamond specifications and retailer prices

From $3,025 SGD
As of November 4, 2026
Save $3,771 SGD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,795 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566398726. Listed at 16 retailers as of November 2, 2026, with prices from $3,025 to $6,795, a $3,771 spread on the same certified stone. NZ Jewellers lists it at $6,795. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566398726
Dimensions6.53 × 6.55 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.53 mm6.55 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566398726
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°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 4
Current: $6,795 SGD|Low: $3,025 SGD|High: $7,292 SGD|Avg: $4,363 SGD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 2$3,025 SGD
Retailer 13$3,051 SGD
Retailer 10$3,403 SGD
Retailer 8$3,602 SGD
Retailer 4$3,677 SGD
Retailer 14$3,833 SGD
Retailer 7$3,851 SGD
Retailer 11$3,901 SGD
Retailer 9$3,985 SGD
Retailer 3$4,137 SGD
Retailer 5$4,276 SGD
Retailer 6$4,305 SGD
Retailer 12$4,450 SGD
Retailer 16$4,597 SGD
Retailer 15$6,664 SGD
NZ Jewellers$6,795 SGD

26 data points across 16 retailers

16 retailers$3,025 SGD to $6,795 SGD

A
Cheapest Retailer
-
$3,025 SGD
A
Retailer 2
-
$3,051 SGD
View
A
Retailer 3
-
$3,403 SGD
View
A
Retailer 4
-
$3,602 SGD
View
A
Retailer 5
-
$3,833 SGD
View
A
Retailer 6
-
$3,851 SGD
View
A
Retailer 7
-
$3,901 SGD
View
A
Retailer 8
-
$3,985 SGD
View
B+
Retailer 9
-
$4,137 SGD
View
B+
Retailer 10
-
$4,276 SGD
View
Retailer 11
-
$4,305 SGD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$4,450 SGD
View
B+
Retailer 13
-
$4,597 SGD
View
Retailer 14
-
$4,615 SGD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$6,664 SGD
View
Most Expensive
B
NZ Jewellers
50fac8a4-b084-4287-902a-f994f3f5cc93 · Nov 2
$6,795 SGD
$5,320 USD
View
15 more retailers have this diamond
Prices start from $3,025 SGDSave up to $3,771 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
1.03ct Round
$3,025 SGD