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 $691 AUD
As of November 6, 2026
Save $1,662 AUD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,353 AUD 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 $691 to $2,353, a $1,662 spread on the same certified stone. NZ Jewellers lists it at $2,353. 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
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: $2,353 AUD|Low: $646 AUD|High: $2,451 AUD|Avg: $1,118 AUD|-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$691 AUD
Retailer 10$751 AUD
Retailer 7$757 AUD
Retailer 11$808 AUD
Retailer 12$808 AUD
Retailer 9$866 AUD
Retailer 5$870 AUD
Retailer 2$942 AUD
Retailer 3$1,007 AUD
Retailer 4$1,116 AUD
Retailer 6$1,119 AUD
Retailer 8$1,733 AUD
NZ Jewellers$2,353 AUD

26 data points across 13 retailers

12 retailers$691 AUD to $2,353 AUD

A
Cheapest Retailer
-
$691 AUD
Final sale: no returns
A
Retailer 2
-
$751 AUD
View
A
Retailer 3
-
$757 AUD
View
A
Retailer 4
-
$808 AUD
View
A
Retailer 5
-
$808 AUD
View
A
Retailer 6
-
$866 AUD
View
A
Retailer 7
-
$942 AUD
View
A
Retailer 8
-
$1,007 AUD
View
A
Retailer 9
-
$1,116 AUD
View
A
Retailer 10
-
$1,119 AUD
View
B+
Retailer 11
-
$1,733 AUD
View
Most Expensive
B
NZ Jewellers
dfe2c9e2-82f6-4fa8-a380-97b3fd943d90 · Nov 6
$2,353 AUD
$1,617 USD
View
11 more retailers have this diamond
Prices start from $691 AUDSave up to $1,662 AUD

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
$691 AUD