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Round|Natural|IGI

1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 698531152

Shape and cutting style on the report: Round brilliant

Certificate IGI 698531152

Diamond specifications and retailer prices

From $2,770 AUD
As of November 6, 2026
Save $4,425 AUD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,195 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 698531152. Listed at 16 retailers as of November 5, 2026, with prices from $2,770 to $7,195, a $4,425 spread on the same certified stone. NZ Jewellers lists it at $7,195. 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

1.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 698531152
Dimensions7.38 × 7.34 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.38 mm7.34 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 698531152
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

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 6
Current: $7,195 AUD|Low: $2,770 AUD|High: $7,195 AUD|Avg: $4,300 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$2,770 AUD
Retailer 7$2,971 AUD
Retailer 4$3,354 AUD
Retailer 8$3,407 AUD
Retailer 5$4,251 AUD
Retailer 3$4,543 AUD
Retailer 6$6,014 AUD
NZ Jewellers$7,195 AUD

35 data points across 8 retailers

16 retailers$2,770 AUD to $7,195 AUD

A
Cheapest Retailer
-
$2,770 AUD
A
Retailer 2
-
$2,971 AUD
View
A
Retailer 3
-
$3,108 AUD
View
A
Retailer 4
-
$3,354 AUD
View
A
Retailer 5
-
$3,407 AUD
View
B+
Retailer 6
-
$3,441 AUD
View
Retailer 7
-
$3,441 AUD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$3,601 AUD
View
B+
Retailer 9
-
$3,641 AUD
View
B+
Retailer 10
-
$3,863 AUD
View
B+
Retailer 11
-
$3,971 AUD
View
A
Retailer 12
-
$4,251 AUD
View
A
Retailer 13
-
$4,543 AUD
View
B+
Retailer 14
-
$5,280 AUD
View
B+
Retailer 15
-
$6,014 AUD
View
Most Expensive
B
NZ Jewellers
f4e1b399-33eb-4b51-b4ff-19ee7c3f5e5c · Nov 5
$7,195 AUD
$5,037 USD
View
15 more retailers have this diamond
Prices start from $2,770 AUDSave up to $4,425 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
1.50ct Round
$2,770 AUD