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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551800736

Certificate GIA 7551800736

Diamond specifications and retailer prices

From $945 NZD
As of November 6, 2026
Save $1,670 NZD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,813 NZD at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct 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 7551800736. Listed at 16 retailers as of November 4, 2026, with a 177% 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

0.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551800736
Dimensions5.15 × 5.18 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.15 mm5.18 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551800736
Side View
Table 58.0%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: Nov 6
Current: $3,557 NZD|Low: $945 NZD|High: $3,781 NZD|Avg: $1,560 NZD|-5.9%
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
November 6, 2026
Retailer 8$945 NZD
Retailer 2$1,037 NZD
Retailer 11$1,115 NZD
Retailer 4$1,120 NZD
Retailer 9$1,180 NZD
Retailer 5$1,243 NZD
Retailer 3$1,310 NZD
Retailer 10$1,375 NZD
Retailer 6$1,385 NZD
Retailer 13$1,530 NZD
Retailer 7$1,575 NZD
Retailer 12$2,616 NZD
NZ Jewellers$3,557 NZD

29 data points across 13 retailers

16 retailers$945 NZD to $2,616 NZD

A
Cheapest Retailer
-
$945 NZD
A
Retailer 2
-
$1,037 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,115 NZD
View
Retailer 4
-
$1,120 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$1,180 NZD
View
Retailer 6
-
$1,205 NZD
View
Price last confirmed 60 days ago
Retailer 7
-
$1,243 NZD
View
Price last confirmed 12 days ago
Retailer 8
-
$1,310 NZD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,375 NZD
View
B+
Retailer 10
-
$1,385 NZD
View
Retailer 11
-
$1,391 NZD
View
Price last confirmed 60 days ago
B+
Retailer 12
-
$1,530 NZD
View
B+
Retailer 13
-
$1,575 NZD
View
B
Retailer 14
-
$2,616 NZD
View
Retailer 15
-
$3,557 NZD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
974516c5-007e-40ad-a644-b074377f1d69 · Sep 1
$3,813 NZD
$2,114 USD
View
Price last confirmed 66 days ago
15 more retailers have this diamond
Prices start from $945 NZDSave up to $1,670 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
0.54ct Round
$945 NZD