Round|Natural|IGI

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 798620813

Shape and cutting style on the report: Round brilliant

Certificate IGI 798620813

Diamond specifications and retailer prices

From $1,689 USD
As of November 6, 2026
Save $2,029 USD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,450 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 798620813. Listed at 11 retailers as of November 4, 2026, with a 120% 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

1.54
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 798620813
Dimensions7.46 × 7.49 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.46 mm7.49 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 798620813
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.3°CuletDepth 59.8%

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: Nov 6
Current: $1,689 USD|Low: $1,689 USD|High: $3,774 USD|Avg: $2,464 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,689 USD
Retailer 5$1,922 USD
Retailer 4$2,049 USD
Retailer 7$2,128 USD
Retailer 6$2,267 USD
Retailer 2$2,739 USD
Retailer 8$2,786 USD
Retailer 3$3,718 USD

45 data points across 8 retailers

11 retailers$1,689 USD to $3,718 USD

A
Cheapest Retailer
-
$1,689 USD
A
Retailer 2
-
$1,922 USD
View
B+
Retailer 3
-
$2,049 USD
View
Retailer 4
-
$2,128 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$2,128 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$2,227 USD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$2,267 USD
View
Retailer 8
-
$2,456 USD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$2,739 USD
View
B+
Retailer 10
-
$3,718 USD
View
Most Expensive
NZ Jewellers
14625845-3d4b-49b2-bfb0-6f3a150ed403 · Sep 28
$4,450 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from $1,689 USDSave up to $2,029 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
1.54ct Round
$1,689 USD