Round|Natural|IGI

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 811615917

Shape and cutting style on the report: Round brilliant

Certificate IGI 811615917

Diamond specifications and retailer prices

From $475 USD
As of November 6, 2026
Save $1,142 USD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,617 USD at NZ Jewellers · As of November 6, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 811615917. Listed at 12 retailers as of November 6, 2026, with prices from $475 to $1,617, a $1,142 spread on the same certified stone. NZ Jewellers lists it at $1,617. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 811615917
Dimensions5.15 × 5.19 × 3.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.15 mm5.19 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811615917
Side View
Table 55.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.4%

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 6
Current: $1,617 USD|Low: $444 USD|High: $1,684 USD|Avg: $768 USD|-4.0%
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
November 5, 2026
Retailer 13$475 USD
Retailer 10$516 USD
Retailer 7$520 USD
Retailer 11$555 USD
Retailer 12$555 USD
Retailer 9$595 USD
Retailer 5$598 USD
Retailer 2$647 USD
Retailer 3$692 USD
Retailer 4$767 USD
Retailer 6$769 USD
Retailer 8$1,191 USD
NZ Jewellers$1,617 USD

26 data points across 13 retailers

12 retailers$475 USD to $1,617 USD

A
Cheapest Retailer
-
$475 USD
Final sale: no returns
A
Retailer 2
-
$516 USD
View
A
Retailer 3
-
$520 USD
View
A
Retailer 4
-
$555 USD
View
A
Retailer 5
-
$555 USD
View
A
Retailer 6
-
$595 USD
View
A
Retailer 7
-
$647 USD
View
A
Retailer 8
-
$692 USD
View
A
Retailer 9
-
$767 USD
View
A
Retailer 10
-
$769 USD
View
B+
Retailer 11
-
$1,191 USD
View
Most Expensive
B
NZ Jewellers
dfe2c9e2-82f6-4fa8-a380-97b3fd943d90 · Nov 6
$1,617 USD
View
11 more retailers have this diamond
Prices start from $475 USDSave up to $1,142 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
$475 USD