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Round|Natural|IGI

1.50ct K I1 Round Natural Diamond

EX • K/I1 • IGI 586338304

Shape and cutting style on the report: Round brilliant

Certificate IGI 586338304

Diamond specifications and retailer prices

From $3,201 AUD
As of November 6, 2026
Save $4,208 AUD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,410 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 586338304. Listed at 8 retailers as of November 5, 2026, with prices from $3,201 to $7,410, a $4,208 spread on the same certified stone. NZ Jewellers lists it at $7,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.2°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 586338304
Dimensions7.23 × 7.35 × 4.49 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
7.23 mm7.35 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 586338304
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $7,410 AUD|Low: $2,354 AUD|High: $7,410 AUD|Avg: $4,045 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$2,354 AUD
Retailer 3$3,201 AUD
Retailer 6$3,544 AUD
Retailer 8$3,544 AUD
Retailer 4$3,708 AUD
Retailer 5$3,730 AUD
Retailer 7$4,090 AUD
Retailer 9$4,217 AUD
Retailer 2$4,393 AUD
NZ Jewellers$7,410 AUD

21 data points across 10 retailers

8 retailers$3,201 AUD to $7,410 AUD

B+
Cheapest Retailer
-
$3,201 AUD
Retailer 2
-
$3,544 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$3,544 AUD
View
B+
Retailer 4
-
$3,708 AUD
View
B+
Retailer 5
-
$3,730 AUD
View
B+
Retailer 6
-
$4,090 AUD
View
B+
Retailer 7
-
$4,393 AUD
View
Most Expensive
B
NZ Jewellers
d16037b2-c3c9-4850-b099-151c83f25c5f · Nov 5
$7,410 AUD
$5,187 USD
View
7 more retailers have this diamond
Prices start from $3,201 AUDSave up to $4,208 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+
1.50ct Round
$3,201 AUD