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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566564828

Certificate GIA 5566564828

Diamond specifications and retailer prices

From $590 SGD
As of November 4, 2026
Save $460 SGD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,133 SGD at NZ Jewellers · As of October 30, 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 5566564828. Listed at 16 retailers as of October 30, 2026, with a 78% 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
FluorescenceMedium
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566564828
Dimensions5.27 × 5.27 × 3.17 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.27 mm5.27 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566564828
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

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 4
Current: $2,133 SGD|Low: $513 SGD|High: $2,133 SGD|Avg: $829 SGD
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
November 3, 2026
Retailer 3$514 SGD
Retailer 8$590 SGD
Retailer 11$620 SGD
Retailer 6$681 SGD
Retailer 7$727 SGD
Retailer 4$733 SGD
Retailer 5$733 SGD
Retailer 14$777 SGD
Retailer 10$822 SGD
Retailer 13$832 SGD
Retailer 16$873 SGD
Retailer 9$929 SGD
Retailer 2$936 SGD
Retailer 12$941 SGD
Retailer 15$1,050 SGD
NZ Jewellers$2,133 SGD

8 data points across 16 retailers

16 retailers$590 SGD to $1,050 SGD

Retailer 1
-
$514 SGD
Price last confirmed 7 days ago
A
Retailer 2
-
$590 SGD
View
Retailer 3
-
$681 SGD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$686 SGD
View
A
Retailer 5
-
$727 SGD
View
Retailer 6
-
$733 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$733 SGD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$777 SGD
View
A
Retailer 9
-
$822 SGD
View
A
Retailer 10
-
$832 SGD
View
Retailer 11
-
$873 SGD
View
Price last confirmed 7 days ago
Retailer 12
-
$929 SGD
View
Price last confirmed 5 days ago
B+
Retailer 13
-
$936 SGD
View
B+
Retailer 14
-
$941 SGD
View
B+
Retailer 15
-
$1,050 SGD
View
Most Expensive
NZ Jewellers
cdf6bd07-c476-4681-877a-4363af399e82 · Oct 30
$2,133 SGD
$1,664 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $590 SGDSave up to $460 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
$590 SGD