Round|Natural|GIA

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2566197610

Certificate GIA 2566197610

Diamond specifications and retailer prices

From $900 NZD
As of November 6, 2026
Save $1,811 NZD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,147 NZD at NZ Jewellers · As of September 24, 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 GIA 2566197610. Listed at 15 retailers as of November 4, 2026, with a 201% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566197610
Dimensions5.19 × 5.23 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.19 mm5.23 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566197610
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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 6
Current: $900 NZD|Low: $900 NZD|High: $2,948 NZD|Avg: $1,444 NZD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$900 NZD
Retailer 5$1,016 NZD
Retailer 3$1,052 NZD
Retailer 7$1,084 NZD
Retailer 11$1,187 NZD
Retailer 2$1,275 NZD
Retailer 8$1,405 NZD
Retailer 4$1,427 NZD
Retailer 9$1,562 NZD
Retailer 10$1,638 NZD
Retailer 6$2,711 NZD

36 data points across 11 retailers

15 retailers$900 NZD to $2,711 NZD

A
Cheapest Retailer
-
$900 NZD
A
Retailer 2
-
$1,016 NZD
View
Retailer 3
-
$1,052 NZD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,084 NZD
View
Final sale: no returns
Retailer 5
-
$1,187 NZD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,275 NZD
View
Price last confirmed 11 days ago
Retailer 7
-
$1,322 NZD
View
Price last confirmed 30 days ago
Retailer 8
-
$1,373 NZD
View
Price last confirmed 39 days ago
A
Retailer 9
-
$1,405 NZD
View
A
Retailer 10
-
$1,427 NZD
View
Retailer 11
-
$1,526 NZD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$1,562 NZD
View
B+
Retailer 13
-
$1,638 NZD
View
B
Retailer 14
-
$2,711 NZD
View
Most Expensive
NZ Jewellers
d066c248-5048-4c7a-9907-7108ed5eaced · Sep 24
$4,147 NZD
$2,299 USD
View
Price last confirmed 43 days ago
14 more retailers have this diamond
Prices start from $900 NZDSave up to $1,811 NZD

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
$900 NZD