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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551634492

Certificate GIA 7551634492

Diamond specifications and retailer prices

From $1,001 NZD
HK$4,400 HKD
As of November 1, 2026
Save $3,247 NZD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,248 NZD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551634492. Listed at 20 retailers as of October 30, 2026, with prices from $1,001 to $4,248, a $3,247 spread on the same certified stone. NZ Jewellers lists it at $4,248. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551634492
Dimensions5.23 × 5.25 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551634492
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 1
Current: $1,008 NZD|Low: $1,001 NZD|High: $3,668 NZD|Avg: $1,742 NZD|-4.5%
Retailer 1
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
November 2, 2026
Retailer 14$1,001 NZD
Retailer 1$1,008 NZD
Retailer 6$1,209 NZD
Retailer 16$1,249 NZD
Retailer 4$1,376 NZD
Retailer 7$1,511 NZD
Retailer 2$1,590 NZD
Retailer 15$1,603 NZD
Retailer 9$1,619 NZD
Retailer 3$1,662 NZD
Retailer 10$1,752 NZD
Retailer 5$1,842 NZD
Retailer 12$2,091 NZD
Retailer 8$2,099 NZD
Retailer 11$2,481 NZD
Retailer 13$3,668 NZD

32 data points across 16 retailers

20 retailers$1,001 NZD to $4,248 NZD

A
Cheapest Retailer
-
$1,001 NZD
HK$4,400 HKD
A
Retailer 2
-
$1,008 NZD
₹54,016 INR
View
Retailer 3
-
$1,209 NZD
$680 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$1,249 NZD
$703 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,354 NZD
$762 USD
View
B+
Retailer 6
-
$1,376 NZD
$774 USD
View
B+
Retailer 7
-
$1,408 NZD
$792 USD
View
Retailer 8
-
$1,450 NZD
$816 USD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$1,511 NZD
$850 USD
View
B+
Retailer 10
-
$1,590 NZD
$895 USD
View
B+
Retailer 11
-
$1,603 NZD
£710 GBP
View
B+
Retailer 12
-
$1,619 NZD
£717 GBP
View
B+
Retailer 13
-
$1,662 NZD
$935 USD
View
B+
Retailer 14
-
$1,752 NZD
€939 EUR
View
B+
Retailer 15
-
$1,842 NZD
$1,036 USD
View
B
Retailer 16
-
$2,091 NZD
ZAR 19,009 ZAR
View
Retailer 17
-
$2,099 NZD
A$1,817 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$2,481 NZD
£1,099 GBP
View
B
Retailer 19
-
$3,668 NZD
£1,625 GBP
View
Most Expensive
B
NZ Jewellers
19ae4306-72f5-4bb6-b5c3-8f6f5f008c46 · Oct 30
$4,248 NZD
$2,390 USD
View
19 more retailers have this diamond
Prices start from $1,001 NZDSave up to $3,247 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
$1,001 NZD