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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555941565

Certificate GIA 6555941565

Diamond specifications and retailer prices

From $551 USD
₹52,497 INR
As of November 2, 2026
Save $1,757 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,308 USD at NZ Jewellers · As of November 2, 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 2, 2026, with prices from $551 to $2,308, a $1,757 spread on the same certified stone. NZ Jewellers lists it at $2,308. 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
Color
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 2
Current: $2,308 USD|Low: $550 USD|High: $2,395 USD|Avg: $904 USD|-3.6%
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 3, 2026
Retailer 11$551 USD
Retailer 3$627 USD
Retailer 5$679 USD
Retailer 16$702 USD
Retailer 6$708 USD
Retailer 14$727 USD
Retailer 17$736 USD
Retailer 10$762 USD
Retailer 18$764 USD
Retailer 7$771 USD
Retailer 15$849 USD
Retailer 4$876 USD
Retailer 2$887 USD
Retailer 12$960 USD
Retailer 9$1,015 USD
Retailer 8$1,039 USD
Retailer 13$1,347 USD
NZ Jewellers$2,308 USD

21 data points across 18 retailers

18 retailers$551 USD to $2,308 USD

A
Cheapest Retailer
-
$551 USD
₹52,497 INR
A
Retailer 2
-
$627 USD
HK$4,900 HKD
View
A
Retailer 3
-
$679 USD
View
Final sale: no returns
Retailer 4
-
$702 USD
€669 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$708 USD
SGD 957 SGD
View
A
Retailer 6
-
$727 USD
View
A
Retailer 7
-
$736 USD
View
A
Retailer 8
-
$762 USD
View
A
Retailer 9
-
$764 USD
View
Retailer 10
-
$771 USD
SGD 1,042 SGD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$849 USD
View
A
Retailer 12
-
$876 USD
£690 GBP
View
A
Retailer 13
-
$887 USD
£698 GBP
View
B+
Retailer 14
-
$960 USD
€914 EUR
View
B+
Retailer 15
-
$1,015 USD
View
Retailer 16
-
$1,039 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,347 USD
£1,061 GBP
View
Most Expensive
B
NZ Jewellers
690037d3-b987-4f3b-89bd-5435ef0c90d9 · Nov 2
$2,308 USD
View
17 more retailers have this diamond
Prices start from $551 USDSave up to $1,757 USD

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
$551 USD