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Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556885335

Certificate GIA 2556885335

Diamond specifications and retailer prices

From $1,929 SGD
As of November 5, 2026
Save $1,756 SGD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,685 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556885335. Listed at 13 retailers as of November 5, 2026, with prices from $1,929 to $3,685, a $1,756 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,685. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556885335
Dimensions6.51 × 6.53 × 3.99 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.51 mm6.53 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556885335
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,827 SGD|Low: $1,919 SGD|High: $3,792 SGD|Avg: $2,766 SGD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 4$1,929 SGD
Retailer 9$2,234 SGD
Retailer 10$2,253 SGD
Retailer 6$2,451 SGD
Retailer 3$2,452 SGD
Retailer 11$2,698 SGD
Retailer 1$2,827 SGD
Retailer 7$2,870 SGD
Retailer 2$2,925 SGD
Retailer 5$3,149 SGD
Retailer 8$3,436 SGD
Wholesale Diamonds Direct$3,685 SGD

37 data points across 12 retailers

13 retailers$1,929 SGD to $3,685 SGD

A
Cheapest Retailer
-
$1,929 SGD
A
Retailer 2
-
$2,234 SGD
View
A
Retailer 3
-
$2,253 SGD
View
B+
Retailer 4
-
$2,364 SGD
View
B+
Retailer 5
-
$2,451 SGD
View
B+
Retailer 6
-
$2,452 SGD
View
B+
Retailer 7
-
$2,698 SGD
View
B+
Retailer 8
-
$2,827 SGD
View
B+
Retailer 9
-
$2,870 SGD
View
B+
Retailer 10
-
$2,925 SGD
View
B
Retailer 11
-
$3,149 SGD
View
B
Retailer 12
-
$3,436 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
592462622 · Nov 6
$3,685 SGD
$2,885 USD
View
12 more retailers have this diamond
Prices start from $1,929 SGDSave up to $1,756 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
$1,929 SGD