CaratHunter
Plans
Round|Natural|GIA

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7518908709

Certificate GIA 7518908709

Diamond specifications and retailer prices

From $6,815 AUD
HK$37,400 HKD
As of October 31, 2026
Save $8,526 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,341 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 7518908709. Listed at 17 retailers as of October 30, 2026, with prices from $6,815 to $15,341, a $8,526 spread on the same certified stone. NZ Jewellers lists it at $15,341. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7518908709
Dimensions7.36 × 7.31 × 4.54 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.36 mm7.31 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518908709
Side View
Table 60.0%Crown 35°Girdle: STK-STKPavilion 41°Culet: NoneDepth 61.9%

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: Oct 31
Current: $15,341 AUD|Low: $6,742 AUD|High: $15,341 AUD|Avg: $9,846 AUD
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
October 31, 2026
Retailer 9$6,815 AUD
Retailer 8$6,946 AUD
Retailer 6$8,466 AUD
Retailer 14$8,520 AUD
Retailer 10$8,740 AUD
Retailer 7$9,034 AUD
Retailer 3$9,172 AUD
Retailer 13$9,172 AUD
Retailer 15$9,172 AUD
Retailer 4$9,397 AUD
Retailer 11$10,024 AUD
Retailer 12$10,583 AUD
Retailer 2$11,275 AUD
Retailer 5$13,531 AUD
NZ Jewellers$15,341 AUD

34 data points across 15 retailers

17 retailers$6,815 AUD to $15,341 AUD

A
Cheapest Retailer
-
$6,815 AUD
HK$37,400 HKD
A
Retailer 2
-
$6,946 AUD
₹464,652 INR
View
Retailer 3
-
$7,842 AUD
SGD 7,444 SGD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$8,076 AUD
$5,673 USD
View
B+
Retailer 5
-
$8,466 AUD
$5,947 USD
View
Final sale: no returns
B+
Retailer 6
-
$8,520 AUD
$5,985 USD
View
B+
Retailer 7
-
$8,740 AUD
£4,834 GBP
View
Retailer 8
-
$9,034 AUD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$9,172 AUD
$6,443 USD
View
B+
Retailer 10
-
$9,172 AUD
$6,443 USD
View
B+
Retailer 11
-
$9,172 AUD
$6,443 USD
View
B+
Retailer 12
-
$9,397 AUD
$6,601 USD
View
B+
Retailer 13
-
$10,024 AUD
€6,706 EUR
View
B
Retailer 14
-
$10,583 AUD
$7,434 USD
View
B+
Retailer 15
-
$11,275 AUD
ZAR 127,945 ZAR
View
B
Retailer 16
-
$13,531 AUD
£7,484 GBP
View
Most Expensive
B
NZ Jewellers
3c03c2d9-1418-4dac-95ec-90d54b308e71 · Oct 30
$15,341 AUD
$10,776 USD
View
16 more retailers have this diamond
Prices start from $6,815 AUDSave up to $8,526 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
$6,815 AUD