Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1433591613

Certificate GIA 1433591613

Diamond specifications and retailer prices

From $10,381 AUD

$7,275 USD

As of November 1, 2026

Save $13,312 AUD (56%) vs most expensive(unlock to see where)

32 retailers carry this diamond

Most expensive: $23,692 AUD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433591613. Listed at 32 retailers as of November 1, 2026, with prices from $10,381 to $23,692, a $13,312 spread on the same certified stone. NZ Jewellers lists it at $23,692. 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

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 1433591613

Dimensions7.29 × 7.35 × 4.48 mm

L/W Ratio1.01

Culet sizeNone

Key to symbols

Feather, Cloud, Crystal, Needle, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1433591613

Side View

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 1

Current: $23,692 AUD|Low: $10,381 AUD|High: $23,692 AUD|Avg: $13,439 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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

Retailer 26

Retailer 27

Retailer 28

Retailer 29

Retailer 30

Retailer 31

November 2, 2026

Retailer 16$10,381 AUD

Retailer 17$10,686 AUD

Retailer 19$10,745 AUD

Retailer 9$11,091 AUD

Retailer 24$11,274 AUD

Retailer 20$11,414 AUD

Retailer 11$11,779 AUD

Retailer 12$11,846 AUD

Retailer 18$11,846 AUD

Retailer 5$11,955 AUD

Retailer 15$12,626 AUD

Retailer 31$12,638 AUD

Retailer 10$12,834 AUD

Retailer 14$13,030 AUD

Retailer 26$13,033 AUD

Retailer 30$13,126 AUD

Retailer 29$13,152 AUD

Retailer 21$13,212 AUD

Retailer 22$13,215 AUD

Retailer 7$14,026 AUD

Retailer 25$14,026 AUD

Retailer 4$14,096 AUD

Retailer 23$14,158 AUD

Retailer 6$14,363 AUD

Retailer 8$14,497 AUD

Retailer 3$14,807 AUD

Retailer 2$15,170 AUD

Retailer 13$15,509 AUD

Retailer 28$17,403 AUD

Retailer 27$19,742 AUD

NZ Jewellers$23,692 AUD

10 data points across 31 retailers

32 retailers$10,381 AUD to $23,692 AUD

B+

Cheapest Retailer

$10,381 AUD

$7,275 USD

B+

Retailer 2

$10,686 AUD

$7,489 USD

View

B+

Retailer 3

$10,745 AUD

$7,530 USD

View

B+

Retailer 4

$11,068 AUD

View

B+

Retailer 5

$11,091 AUD

$7,773 USD

View

B+

Retailer 6

$11,274 AUD

$7,901 USD

View

B+

Retailer 7

$11,414 AUD

$7,999 USD

View

B+

Retailer 8

$11,779 AUD

$8,255 USD

View

B+

Retailer 9

$11,813 AUD

$8,279 USD

View

B+

Retailer 10

$11,846 AUD

$8,302 USD

View

Final sale: no returns

B+

Retailer 11

$11,846 AUD

$8,302 USD

View

B+

Retailer 12

$11,955 AUD

CA$11,637 CAD

View

B+

Retailer 13

$12,626 AUD

$8,849 USD

View

B+

Retailer 14

$12,638 AUD

$8,857 USD

View

Retailer 15

$12,834 AUD

$8,994 USD

View

B+

Retailer 16

$13,030 AUD

$9,132 USD

View

B+

Retailer 17

$13,033 AUD

£7,192 GBP

View

B+

Retailer 18

$13,152 AUD

$9,217 USD

View

B+

Retailer 19

$13,212 AUD

$9,259 USD

View

B+

Retailer 20

$13,215 AUD

$9,261 USD

View

B+

Retailer 21

$14,026 AUD

$9,830 USD

View

B+

Retailer 22

$14,026 AUD

$9,830 USD

View

B+

Retailer 23

$14,096 AUD

$9,879 USD

View

B+

Retailer 24

$14,158 AUD

$9,922 USD

View

Retailer 25

$14,363 AUD

$10,066 USD

View

Price last confirmed 7 days ago

Retailer 26

$14,497 AUD

$10,160 USD

View

Retailer 27

$14,807 AUD

$10,377 USD

View

B+

Retailer 28

$15,170 AUD

€10,125 EUR

View

Retailer 29

$15,509 AUD

£8,558 GBP

View

Retailer 30

$17,403 AUD

ZAR 197,032 ZAR

View

Retailer 31

$19,742 AUD

£10,894 GBP

View

Most Expensive

NZ Jewellers

432a34a9-c3a6-4872-9120-897be74981fb · Nov 2

$23,692 AUD

$16,604 USD

View

31 more retailers have this diamond

Prices start from $10,381 AUDSave up to $13,312 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.

Similar diamonds

B+

1.50ct Round

$10,381 AUD