Round|Natural|IGI

0.54ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 840604307

Shape and cutting style on the report: Round brilliant

Certificate IGI 840604307

Diamond specifications and retailer prices

From $398 USD
As of November 3, 2026
Save $1,257 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,655 USD at NZ Jewellers · As of November 2, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 840604307. Listed at 15 retailers as of November 2, 2026, with prices from $398 to $1,655, a $1,257 spread on the same certified stone. NZ Jewellers lists it at $1,655. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 840604307
Dimensions5.20 × 5.24 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.20 mm5.24 mm0.54 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 840604307
Side View
Table 59.0%Crown 32.7°Girdle: Slightly ThickPavilion 41.5°Culet: NoneDepth 61.5%

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 3
Current: $1,655 USD|Low: $392 USD|High: $1,655 USD|Avg: $630 USD|+1.4%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 6$398 USD
Retailer 3$432 USD
Retailer 7$459 USD
Retailer 12$465 USD
Retailer 5$498 USD
Retailer 8$548 USD
Retailer 2$555 USD
Retailer 13$562 USD
Retailer 15$588 USD
Retailer 4$603 USD
Retailer 14$640 USD
Retailer 10$669 USD
Retailer 9$693 USD
Retailer 11$995 USD
NZ Jewellers$1,655 USD

10 data points across 15 retailers

15 retailers$398 USD to $1,655 USD

A
Cheapest Retailer
-
$398 USD
Final sale: no returns
A
Retailer 2
-
$432 USD
View
Retailer 3
-
$459 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$465 USD
View
A
Retailer 5
-
$498 USD
View
A
Retailer 6
-
$548 USD
View
B+
Retailer 7
-
$555 USD
View
B+
Retailer 8
-
$562 USD
View
B+
Retailer 9
-
$588 USD
View
B+
Retailer 10
-
$603 USD
View
B+
Retailer 11
-
$640 USD
View
B+
Retailer 12
-
$669 USD
View
B+
Retailer 13
-
$693 USD
View
B
Retailer 14
-
$995 USD
View
Most Expensive
C
NZ Jewellers
266efe29-55ad-4f47-bb32-20acd5ccdcd9 · Nov 2
$1,655 USD
View
14 more retailers have this diamond
Prices start from $398 USDSave up to $1,257 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
$398 USD