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Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2308949230

Certificate GIA 2308949230

Diamond specifications and retailer prices

From $461 SGD
As of November 4, 2026
Save $1,640 SGD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,102 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2308949230. Listed at 15 retailers as of November 4, 2026, with prices from $461 to $2,102, a $1,640 spread on the same certified stone. NZ Jewellers lists it at $2,102. 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

0.55
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2308949230
Dimensions5.24 × 5.27 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.24 mm5.27 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2308949230
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

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 4
Current: $2,102 SGD|Low: $461 SGD|High: $2,102 SGD|Avg: $908 SGD
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
November 6, 2026
Retailer 6$461 SGD
Retailer 2$490 SGD
Retailer 13$670 SGD
Retailer 12$722 SGD
Retailer 14$722 SGD
Retailer 4$773 SGD
Retailer 5$773 SGD
Retailer 7$828 SGD
Retailer 8$901 SGD
Retailer 11$929 SGD
Retailer 3$937 SGD
Retailer 9$1,039 SGD
Retailer 10$1,546 SGD
NZ Jewellers$2,102 SGD

33 data points across 14 retailers

15 retailers$461 SGD to $2,102 SGD

A
Cheapest Retailer
-
$461 SGD
Final sale: no returns
A
Retailer 2
-
$490 SGD
View
A
Retailer 3
-
$670 SGD
View
Retailer 4
-
$722 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$722 SGD
View
B+
Retailer 6
-
$773 SGD
View
B+
Retailer 7
-
$773 SGD
View
B+
Retailer 8
-
$828 SGD
View
B+
Retailer 9
-
$901 SGD
View
B
Retailer 10
-
$929 SGD
View
B+
Retailer 11
-
$937 SGD
View
B+
Retailer 12
-
$1,039 SGD
View
Retailer 13
-
$1,046 SGD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$1,546 SGD
View
Most Expensive
B
NZ Jewellers
8cfbbe36-69f1-4f47-a42c-a4d6403e2c2e · Nov 4
$2,102 SGD
$1,640 USD
View
14 more retailers have this diamond
Prices start from $461 SGDSave up to $1,640 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
0.55ct Round
$461 SGD