CaratHunter
Plans
Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2536897862

Certificate GIA 2536897862

Diamond specifications and retailer prices

From $5,770 AUD
As of November 6, 2026
Save $6,443 AUD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,212 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2536897862. Listed at 17 retailers as of November 5, 2026, with prices from $5,770 to $12,212, a $6,443 spread on the same certified stone. NZ Jewellers lists it at $12,212. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2536897862
Dimensions7.27 × 7.32 × 4.54 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536897862
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NDepth 62.3%

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: $7,951 AUD|Low: $6,615 AUD|High: $11,768 AUD|Avg: $8,299 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$6,615 AUD
Retailer 2$7,143 AUD
Retailer 1$7,951 AUD
Retailer 4$8,027 AUD
Retailer 5$8,210 AUD
Retailer 3$8,908 AUD
Retailer 6$11,598 AUD

38 data points across 7 retailers

17 retailers$5,770 AUD to $12,212 AUD

B+
Cheapest Retailer
-
$5,770 AUD
B+
Retailer 2
-
$6,157 AUD
View
B+
Retailer 3
-
$6,250 AUD
View
B+
Retailer 4
-
$6,567 AUD
View
Retailer 5
-
$6,615 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,615 AUD
View
B+
Retailer 7
-
$6,615 AUD
View
B+
Retailer 8
-
$7,001 AUD
View
B+
Retailer 9
-
$7,143 AUD
View
B
Retailer 10
-
$7,632 AUD
View
B+
Retailer 11
-
$7,951 AUD
View
B+
Retailer 12
-
$8,027 AUD
View
Retailer 13
-
$8,060 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$8,210 AUD
View
B
Retailer 15
-
$8,908 AUD
View
B
Retailer 16
-
$11,598 AUD
View
Most Expensive
B
NZ Jewellers
7925cd1c-bf23-4e7e-9f8b-046b00297260 · Nov 5
$12,212 AUD
$8,549 USD
View
16 more retailers have this diamond
Prices start from $5,770 AUDSave up to $6,443 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
$5,770 AUD