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1.55ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 7491782450

Certificate GIA 7491782450

Diamond specifications and retailer prices

From $2,937 AUD
$2,056 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $2,937 AUD at The Diamond Guys
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at The Diamond Guys

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7491782450. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.55
Carat
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7491782450
Dimensions7.34 × 7.37 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Key to symbols
Crystal, Needle
Top View
7.34 mm7.37 mm1.55 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7491782450
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°CuletDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $2,937 AUD|Low: $2,937 AUD|High: $2,937 AUD|Avg: $2,937 AUD
November 6, 2026
The Diamond Guys$2,937 AUD

20 data points across 1 retailer

1 retailer

B+
The Diamond Guys
2000108472 · Nov 6
$2,937 AUD
$2,056 USD
View

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+
1.55ct Round
$2,937 AUD