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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555731928

Certificate GIA 6555731928

Diamond specifications and retailer prices

From $934 NZD
As of November 5, 2026
Save $3,070 NZD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,005 NZD 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 6555731928. Listed at 21 retailers as of November 4, 2026, with prices from $934 to $4,005, a $3,070 spread on the same certified stone. NZ Jewellers lists it at $4,005. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555731928
Dimensions5.18 × 5.20 × 3.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.18 mm5.20 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555731928
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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: $4,005 NZD|Low: $934 NZD|High: $4,124 NZD|Avg: $1,720 NZD|-2.9%
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
Retailer 19
November 6, 2026
Retailer 19$934 NZD
Retailer 13$1,061 NZD
Retailer 9$1,178 NZD
Retailer 2$1,196 NZD
Retailer 3$1,239 NZD
Retailer 11$1,245 NZD
Retailer 5$1,263 NZD
Retailer 8$1,277 NZD
Retailer 14$1,311 NZD
Retailer 7$1,326 NZD
Retailer 18$1,445 NZD
Retailer 12$1,522 NZD
Retailer 15$1,537 NZD
Retailer 6$1,566 NZD
Retailer 16$1,683 NZD
Retailer 10$1,798 NZD
Retailer 4$2,946 NZD
Retailer 17$3,633 NZD
NZ Jewellers$4,005 NZD

20 data points across 19 retailers

21 retailers$934 NZD to $4,005 NZD

A
Cheapest Retailer
-
$934 NZD
A
Retailer 2
-
$1,061 NZD
View
A
Retailer 3
-
$1,178 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,196 NZD
View
A
Retailer 5
-
$1,239 NZD
View
Retailer 6
-
$1,245 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$1,263 NZD
View
A
Retailer 8
-
$1,277 NZD
View
A
Retailer 9
-
$1,311 NZD
View
A
Retailer 10
-
$1,326 NZD
View
Retailer 11
-
$1,353 NZD
View
Price last confirmed 118 days ago
Retailer 12
-
$1,385 NZD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$1,445 NZD
View
A
Retailer 14
-
$1,522 NZD
View
A
Retailer 15
-
$1,537 NZD
View
A
Retailer 16
-
$1,566 NZD
View
B+
Retailer 17
-
$1,683 NZD
View
B+
Retailer 18
-
$1,798 NZD
View
B
Retailer 19
-
$2,946 NZD
View
B
Retailer 20
-
$3,633 NZD
View
Most Expensive
B
NZ Jewellers
b94884b0-2152-4354-9930-00b15adf1e95 · Nov 4
$4,005 NZD
$2,220 USD
View
20 more retailers have this diamond
Prices start from $934 NZDSave up to $3,070 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
$934 NZD