Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555731928

Certificate GIA 6555731928

Diamond specifications and retailer prices

From $664 SGD
As of November 5, 2026
Save $2,181 SGD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,845 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555731928. Listed at 21 retailers as of November 4, 2026, with prices from $664 to $2,845, a $2,181 spread on the same certified stone. NZ Jewellers lists it at $2,845. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555731928
Dimensions5.18 × 5.20 × 3.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.18 mm5.20 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555731928
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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: $2,845 SGD|Low: $664 SGD|High: $2,930 SGD|Avg: $1,222 SGD|-2.9%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19$664 SGD
Retailer 13$754 SGD
Retailer 9$837 SGD
Retailer 2$850 SGD
Retailer 3$880 SGD
Retailer 11$884 SGD
Retailer 5$897 SGD
Retailer 8$907 SGD
Retailer 14$932 SGD
Retailer 7$942 SGD
Retailer 18$1,027 SGD
Retailer 12$1,082 SGD
Retailer 15$1,092 SGD
Retailer 6$1,112 SGD
Retailer 16$1,196 SGD
Retailer 10$1,278 SGD
Retailer 4$2,093 SGD
Retailer 17$2,581 SGD
NZ Jewellers$2,845 SGD

20 data points across 19 retailers

21 retailers$664 SGD to $2,845 SGD

A
Cheapest Retailer
-
$664 SGD
A
Retailer 2
-
$754 SGD
View
A
Retailer 3
-
$837 SGD
View
Final sale: no returns
A
Retailer 4
-
$850 SGD
View
A
Retailer 5
-
$880 SGD
View
Retailer 6
-
$884 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$897 SGD
View
A
Retailer 8
-
$907 SGD
View
A
Retailer 9
-
$932 SGD
View
A
Retailer 10
-
$942 SGD
View
Retailer 11
-
$961 SGD
View
Price last confirmed 118 days ago
Retailer 12
-
$984 SGD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$1,027 SGD
View
A
Retailer 14
-
$1,082 SGD
View
A
Retailer 15
-
$1,092 SGD
View
A
Retailer 16
-
$1,112 SGD
View
B+
Retailer 17
-
$1,196 SGD
View
B+
Retailer 18
-
$1,278 SGD
View
B
Retailer 19
-
$2,093 SGD
View
B
Retailer 20
-
$2,581 SGD
View
Most Expensive
B
NZ Jewellers
b94884b0-2152-4354-9930-00b15adf1e95 · Nov 4
$2,845 SGD
$2,220 USD
View
20 more retailers have this diamond
Prices start from $664 SGDSave up to $2,181 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
$664 SGD