Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555941565

Certificate GIA 6555941565

Diamond specifications and retailer prices

From $678 SGD
As of November 5, 2026
Save $2,224 SGD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,902 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 6555941565. Listed at 18 retailers as of November 4, 2026, with prices from $678 to $2,902, a $2,224 spread on the same certified stone. NZ Jewellers lists it at $2,902. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555941565
Dimensions5.25 × 5.28 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.28 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555941565
Side View
Table 58.0%Crown 35.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.7%

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: $2,902 SGD|Low: $678 SGD|High: $2,986 SGD|Avg: $1,162 SGD|-2.8%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 17$678 SGD
Retailer 11$770 SGD
Retailer 6$854 SGD
Retailer 3$896 SGD
Retailer 9$900 SGD
Retailer 18$916 SGD
Retailer 4$925 SGD
Retailer 13$948 SGD
Retailer 5$968 SGD
Retailer 10$979 SGD
Retailer 16$1,047 SGD
Retailer 14$1,080 SGD
Retailer 2$1,098 SGD
Retailer 15$1,219 SGD
Retailer 12$1,255 SGD
Retailer 7$1,305 SGD
Retailer 8$1,725 SGD
NZ Jewellers$2,902 SGD

20 data points across 18 retailers

18 retailers$678 SGD to $2,902 SGD

A
Cheapest Retailer
-
$678 SGD
A
Retailer 2
-
$770 SGD
View
A
Retailer 3
-
$854 SGD
View
Final sale: no returns
A
Retailer 4
-
$896 SGD
View
Retailer 5
-
$900 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$916 SGD
View
A
Retailer 7
-
$925 SGD
View
A
Retailer 8
-
$948 SGD
View
A
Retailer 9
-
$968 SGD
View
A
Retailer 10
-
$979 SGD
View
A
Retailer 11
-
$1,047 SGD
View
A
Retailer 12
-
$1,080 SGD
View
A
Retailer 13
-
$1,098 SGD
View
B+
Retailer 14
-
$1,219 SGD
View
B+
Retailer 15
-
$1,255 SGD
View
B+
Retailer 16
-
$1,305 SGD
View
B
Retailer 17
-
$1,725 SGD
View
Most Expensive
B
NZ Jewellers
690037d3-b987-4f3b-89bd-5435ef0c90d9 · Nov 4
$2,902 SGD
$2,264 USD
View
17 more retailers have this diamond
Prices start from $678 SGDSave up to $2,224 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
$678 SGD