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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 $581 SGD
As of November 6, 2026
Save $1,170 SGD (67%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,634 SGD 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

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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: $581 SGD|Low: $581 SGD|High: $1,912 SGD|Avg: $947 SGD|-6.2%
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
November 6, 2026
Retailer 1$581 SGD
Retailer 6$669 SGD
Retailer 4$700 SGD
Retailer 3$703 SGD
Retailer 2$761 SGD
Retailer 9$768 SGD
Retailer 5$834 SGD
Retailer 7$835 SGD
Retailer 8$918 SGD
Retailer 15$923 SGD
Retailer 14$1,003 SGD
Retailer 13$1,007 SGD
Retailer 12$1,055 SGD
Retailer 10$1,171 SGD
Retailer 11$1,751 SGD

32 data points across 15 retailers

22 retailers$581 SGD to $1,751 SGD

A
Cheapest Retailer
-
$581 SGD
A
Retailer 2
-
$669 SGD
View
A
Retailer 3
-
$700 SGD
View
Final sale: no returns
A
Retailer 4
-
$701 SGD
View
A
Retailer 5
-
$703 SGD
View
A
Retailer 6
-
$761 SGD
View
A
Retailer 7
-
$768 SGD
View
Retailer 8
-
$825 SGD
View
Price last confirmed 60 days ago
Retailer 9
-
$834 SGD
View
Price last confirmed 22 days ago
Retailer 10
-
$835 SGD
View
Price last confirmed 12 days ago
Retailer 11
-
$840 SGD
View
Price last confirmed 53 days ago
A
Retailer 12
-
$918 SGD
View
A
Retailer 13
-
$923 SGD
View
Retailer 14
-
$953 SGD
View
Price last confirmed 60 days ago
Retailer 15
-
$969 SGD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$1,003 SGD
View
B+
Retailer 17
-
$1,007 SGD
View
B+
Retailer 18
-
$1,055 SGD
View
B+
Retailer 19
-
$1,171 SGD
View
Retailer 20
-
$1,229 SGD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$1,751 SGD
View
Most Expensive
NZ Jewellers
2f4dc8df-35c7-4254-b399-7c0af71b052b · Sep 15
$2,634 SGD
$2,062 USD
View
Price last confirmed 52 days ago
21 more retailers have this diamond
Prices start from $581 SGDSave up to $1,170 SGD

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
$581 SGD