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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6492718399

Certificate GIA 6492718399

Diamond specifications and retailer prices

From $1,212 SGD
As of November 4, 2026
Save $1,189 SGD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,204 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 6492718399. Listed at 14 retailers as of November 4, 2026, with a 98% 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 angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492718399
Dimensions5.22 × 5.20 × 3.24 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
5.22 mm5.20 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492718399
Side View
Table 55.0%Crown 33.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,204 SGD|Low: $1,111 SGD|High: $4,023 SGD|Avg: $1,772 SGD|-20.4%
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 12$1,212 SGD
Retailer 8$1,243 SGD
Retailer 5$1,284 SGD
Retailer 4$1,314 SGD
Retailer 3$1,317 SGD
Retailer 11$1,364 SGD
Retailer 10$1,516 SGD
Retailer 2$1,690 SGD
Retailer 13$1,717 SGD
Retailer 6$1,830 SGD
Retailer 7$2,027 SGD
Retailer 9$2,402 SGD
NZ Jewellers$3,204 SGD

43 data points across 13 retailers

14 retailers$1,212 SGD to $2,402 SGD

B+
Cheapest Retailer
-
$1,212 SGD
Final sale: no returns
B+
Retailer 2
-
$1,243 SGD
View
Retailer 3
-
$1,283 SGD
View
Price last confirmed 53 days ago
B+
Retailer 4
-
$1,284 SGD
View
Retailer 5
-
$1,314 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,317 SGD
View
B+
Retailer 7
-
$1,364 SGD
View
Retailer 8
-
$1,516 SGD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$1,690 SGD
View
Retailer 10
-
$1,717 SGD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$1,830 SGD
View
B
Retailer 12
-
$2,027 SGD
View
B
Retailer 13
-
$2,402 SGD
View
Most Expensive
NZ Jewellers
8e32bd4c-7954-4895-bca0-b15a6babfaa8 · Oct 30
$3,204 SGD
$2,500 USD
View
Price under review
13 more retailers have this diamond
Prices start from $1,212 SGDSave up to $1,189 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.

B+
0.54ct Round
$1,212 SGD