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Round|Natural|IGI

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 817695329

Certificate IGI 817695329

Diamond specifications and retailer prices

From $3,951 AUD
As of November 6, 2026
7 retailers carry this diamond
Most expensive: $5,340 AUD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 817695329. Listed at 7 retailers as of November 6, 2026. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 817695329
Dimensions7.38 × 7.41 × 4.57 mm
L/W Ratio1.00
Top View
7.38 mm7.41 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 817695329
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,503 AUD|Low: $2,829 AUD|High: $5,434 AUD|Avg: $3,886 AUD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 26, 2026
Retailer 2$2,835 AUD
Retailer 3$3,216 AUD
Retailer 7$3,349 AUD
Retailer 6$3,374 AUD
Retailer 5$3,589 AUD
Retailer 4$4,325 AUD
Retailer 1$4,503 AUD
Wholesale Diamonds Direct$5,340 AUD

35 data points across 8 retailers

7 retailers

Retailer 1
-
$2,835 AUD
Price last confirmed 12 days ago
Retailer 2
-
$3,216 AUD
View
Price last confirmed 12 days ago
Retailer 3
-
$3,349 AUD
View
Price last confirmed 11 days ago
Retailer 4
-
$3,589 AUD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$3,951 AUD
View
Retailer 6
-
$4,503 AUD
View
Price last confirmed 11 days ago
Most Expensive
Wholesale Diamonds Direct
258857372 · Oct 23
$5,340 AUD
$3,669 USD
View
Price last confirmed 14 days ago
6 more retailers have this diamond
Prices start from $3,951 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.

B+
1.54ct Round
$3,951 AUD