Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547874242

Certificate GIA 2547874242

Diamond specifications and retailer prices

From $276 USD
As of October 31, 2026
Save $1,308 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,584 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547874242. Listed at 12 retailers as of October 30, 2026, with prices from $276 to $1,584, a $1,308 spread on the same certified stone. NZ Jewellers lists it at $1,584. 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

0.55
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547874242
Dimensions5.20 × 5.22 × 3.25 mm
L/W Ratio1.00
Top View
5.20 mm5.22 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547874242
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: Oct 31
Current: $1,584 USD|Low: $276 USD|High: $1,717 USD|Avg: $667 USD|-7.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$276 USD
Retailer 9$346 USD
Retailer 6$408 USD
Retailer 3$437 USD
Retailer 11$445 USD
Retailer 5$528 USD
Retailer 8$574 USD
Retailer 12$585 USD
Retailer 2$659 USD
Retailer 4$718 USD
Retailer 10$959 USD
NZ Jewellers$1,584 USD

31 data points across 12 retailers

12 retailers$276 USD to $1,584 USD

A
Cheapest Retailer
-
$276 USD
Final sale: no returns
A
Retailer 2
-
$346 USD
HK$2,700 HKD
View
A
Retailer 3
-
$408 USD
View
A
Retailer 4
-
$437 USD
SGD 591 SGD
View
A
Retailer 5
-
$445 USD
View
A
Retailer 6
-
$528 USD
£416 GBP
View
A
Retailer 7
-
$574 USD
View
A
Retailer 8
-
$585 USD
View
B+
Retailer 9
-
$659 USD
€628 EUR
View
Retailer 10
-
$718 USD
A$1,104 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$959 USD
£755 GBP
View
Most Expensive
B
NZ Jewellers
ffbf0e53-8e7b-4458-9d47-0a726c645c3c · Oct 30
$1,584 USD
View
11 more retailers have this diamond
Prices start from $276 USDSave up to $1,308 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
0.55ct Round
$276 USD