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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1559834371

Certificate GIA 1559834371

Diamond specifications and retailer prices

From $821 NZD
As of November 6, 2026
Save $1,652 NZD (67%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,720 NZD at NZ Jewellers · As of September 15, 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 1559834371. Listed at 22 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

0.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559834371
Dimensions5.24 × 5.27 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.24 mm5.27 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559834371
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $989 NZD|Low: $821 NZD|High: $2,691 NZD|Avg: $1,327 NZD
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 6, 2026
Retailer 9$821 NZD
Retailer 7$945 NZD
Retailer 1$989 NZD
Retailer 5$989 NZD
Retailer 4$992 NZD
Retailer 3$1,075 NZD
Retailer 11$1,084 NZD
Retailer 6$1,178 NZD
Retailer 8$1,180 NZD
Retailer 10$1,297 NZD
Retailer 2$1,304 NZD
Retailer 16$1,416 NZD
Retailer 15$1,421 NZD
Retailer 14$1,490 NZD
Retailer 12$1,654 NZD
Retailer 13$2,473 NZD

31 data points across 16 retailers

22 retailers$821 NZD to $2,473 NZD

A
Cheapest Retailer
-
$821 NZD
A
Retailer 2
-
$945 NZD
View
A
Retailer 3
-
$989 NZD
View
A
Retailer 4
-
$989 NZD
View
Final sale: no returns
A
Retailer 5
-
$992 NZD
View
A
Retailer 6
-
$1,075 NZD
View
A
Retailer 7
-
$1,084 NZD
View
Retailer 8
-
$1,165 NZD
View
Price last confirmed 60 days ago
Retailer 9
-
$1,178 NZD
View
Price last confirmed 22 days ago
Retailer 10
-
$1,180 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,187 NZD
View
Price last confirmed 53 days ago
A
Retailer 12
-
$1,297 NZD
View
A
Retailer 13
-
$1,304 NZD
View
Retailer 14
-
$1,346 NZD
View
Price last confirmed 60 days ago
Retailer 15
-
$1,369 NZD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$1,416 NZD
View
B+
Retailer 17
-
$1,421 NZD
View
B+
Retailer 18
-
$1,490 NZD
View
B+
Retailer 19
-
$1,654 NZD
View
Retailer 20
-
$1,735 NZD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$2,473 NZD
View
Most Expensive
NZ Jewellers
2f4dc8df-35c7-4254-b399-7c0af71b052b · Sep 15
$3,720 NZD
$2,062 USD
View
Price last confirmed 52 days ago
21 more retailers have this diamond
Prices start from $821 NZDSave up to $1,652 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
$821 NZD