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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552529942

Certificate GIA 6552529942

Diamond specifications and retailer prices

From $990 NZD
As of October 31, 2026
Save $483 NZD (33%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,132 NZD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552529942. Listed at 16 retailers as of October 31, 2026, with a 49% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552529942
Dimensions5.23 × 5.27 × 3.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.23 mm5.27 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552529942
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: Oct 31
Current: $3,132 NZD|Low: $743 NZD|High: $3,222 NZD|Avg: $1,291 NZD|-2.8%
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
October 31, 2026
Retailer 12$747 NZD
Retailer 16$853 NZD
Retailer 8$855 NZD
Retailer 9$920 NZD
Retailer 17$989 NZD
Retailer 3$990 NZD
Retailer 13$992 NZD
Retailer 6$1,048 NZD
Retailer 5$1,075 NZD
Retailer 14$1,153 NZD
Retailer 4$1,214 NZD
Retailer 10$1,227 NZD
Retailer 11$1,358 NZD
Retailer 15$1,389 NZD
Retailer 2$1,474 NZD
Retailer 7$2,309 NZD
NZ Jewellers$3,132 NZD

19 data points across 17 retailers

16 retailers$990 NZD to $1,474 NZD

Retailer 1
-
$747 NZD
Price last confirmed 8 days ago
Retailer 2
-
$853 NZD
View
Price last confirmed 8 days ago
Retailer 3
-
$855 NZD
View
Price last confirmed 9 days ago
Retailer 4
-
$989 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$990 NZD
View
Retailer 6
-
$992 NZD
View
Price last confirmed 7 days ago
Retailer 7
-
$1,048 NZD
View
Price last confirmed 11 days ago
Retailer 8
-
$1,075 NZD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,153 NZD
View
Price last confirmed 11 days ago
Retailer 10
-
$1,214 NZD
View
Price last confirmed 7 days ago
Retailer 11
-
$1,227 NZD
View
Price last confirmed 7 days ago
Retailer 12
-
$1,358 NZD
View
Price last confirmed 8 days ago
Retailer 13
-
$1,389 NZD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$1,474 NZD
View
Retailer 15
-
$2,309 NZD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
75eb94d4-cae0-4ed7-96d5-e62f1b3717b8 · Oct 27
$3,132 NZD
$1,736 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from $990 NZDSave up to $483 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
$990 NZD