Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2426593331

Certificate GIA 2426593331

Diamond specifications and retailer prices

From $656 USD
As of October 29, 2026
Save $1,574 USD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,230 USD 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 2426593331. Listed at 18 retailers as of October 29, 2026, with a 240% 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2426593331
Dimensions5.26 × 5.24 × 3.18 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
5.26 mm5.24 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2426593331
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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: Oct 29
Current: $2,230 USD|Low: $547 USD|High: $2,230 USD|Avg: $1,025 USD
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 1, 2026
Retailer 11$656 USD
Retailer 5$711 USD
Retailer 9$715 USD
Retailer 13$738 USD
Retailer 3$799 USD
Retailer 4$820 USD
Retailer 6$841 USD
Retailer 10$890 USD
Retailer 8$1,011 USD
Retailer 12$1,069 USD
Retailer 7$1,097 USD
Retailer 2$1,642 USD
NZ Jewellers$2,230 USD

44 data points across 13 retailers

18 retailers$656 USD to $2,230 USD

A
Cheapest Retailer
-
$656 USD
Final sale: no returns
Retailer 2
-
$711 USD
View
Price last confirmed 55 days ago
A
Retailer 3
-
$711 USD
View
Retailer 4
-
$711 USD
View
Price last confirmed 48 days ago
Retailer 5
-
$715 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$738 USD
View
Retailer 7
-
$799 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$820 USD
View
Price last confirmed 55 days ago
B+
Retailer 9
-
$820 USD
View
B+
Retailer 10
-
$841 USD
£662 GBP
View
B+
Retailer 11
-
$890 USD
View
B
Retailer 12
-
$974 USD
View
B+
Retailer 13
-
$1,011 USD
€963 EUR
View
Retailer 14
-
$1,069 USD
A$1,645 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$1,097 USD
ZAR 17,729 ZAR
View
B
Retailer 16
-
$1,642 USD
£1,293 GBP
View
B
Retailer 17
-
$2,230 USD
View
Most Expensive
NZ Jewellers
6e4e990d-07a8-43aa-a141-85324760ba7a · Sep 1
$2,230 USD
View
Price last confirmed 61 days ago
17 more retailers have this diamond
Prices start from $656 USDSave up to $1,574 USD

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
$656 USD