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Round|Natural|GIA

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2497760293

Certificate GIA 2497760293

Diamond specifications and retailer prices

From $8,599 AUD
$6,040 USD
As of November 1, 2026
Save $8,063 AUD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,662 AUD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2497760293. Listed at 11 retailers as of October 30, 2026, with prices from $8,599 to $16,662, a $8,063 spread on the same certified stone. NZ Jewellers lists it at $16,662. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497760293
Dimensions7.39 × 7.37 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.39 mm7.37 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497760293
Side View
Table 58.0%Crown 33°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.2%

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 1
Current: $10,248 AUD|Low: $8,599 AUD|High: $14,854 AUD|Avg: $10,676 AUD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$8,599 AUD
Retailer 9$9,196 AUD
Retailer 4$9,491 AUD
Retailer 7$9,669 AUD
Retailer 6$10,115 AUD
Retailer 2$10,247 AUD
Retailer 1$10,248 AUD
Retailer 5$12,240 AUD
Retailer 3$14,677 AUD

35 data points across 9 retailers

11 retailers$8,599 AUD to $16,662 AUD

A
Cheapest Retailer
-
$8,599 AUD
$6,040 USD
B+
Retailer 2
-
$9,196 AUD
$6,460 USD
View
Final sale: no returns
B+
Retailer 3
-
$9,491 AUD
£5,249 GBP
View
Retailer 4
-
$9,669 AUD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$10,115 AUD
$7,105 USD
View
B+
Retailer 6
-
$10,247 AUD
£5,668 GBP
View
B+
Retailer 7
-
$10,248 AUD
€6,856 EUR
View
B+
Retailer 8
-
$10,275 AUD
€6,874 EUR
View
B
Retailer 9
-
$12,240 AUD
ZAR 138,903 ZAR
View
B
Retailer 10
-
$14,677 AUD
£8,118 GBP
View
Most Expensive
B
NZ Jewellers
424b9116-0553-4da7-a208-908aa902b03a · Oct 30
$16,662 AUD
$11,704 USD
View
10 more retailers have this diamond
Prices start from $8,599 AUDSave up to $8,063 AUD

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
$8,599 AUD