Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6565186595

Certificate GIA 6565186595

Diamond specifications and retailer prices

From $7,467 AUD

$5,245 USD

As of October 28, 2026

Save $9,226 AUD (55%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $16,693 AUD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 6565186595. Listed at 31 retailers as of October 28, 2026, with prices from $7,467 to $16,693, a $9,226 spread on the same certified stone. NZ Jewellers lists it at $16,693. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6565186595

Dimensions8.99 × 6.39 × 3.98 mm

L/W Ratio1.41

Key to symbols

Feather, Crystal, Cloud, Needle, Indented Natural, Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateGIA 6565186595

Side View

Caratlytics Score

How it works →

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 28

Current: $16,693 AUD|Low: $7,467 AUD|High: $16,693 AUD|Avg: $9,861 AUD

NZ Jewellers

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Retailer 31

November 1, 2026

Retailer 6$7,467 AUD

Retailer 21$7,585 AUD

Retailer 7$7,797 AUD

Retailer 11$7,887 AUD

Retailer 4$7,892 AUD

Retailer 8$7,991 AUD

Retailer 14$8,345 AUD

Retailer 10$8,406 AUD

Retailer 16$8,654 AUD

Retailer 19$8,858 AUD

Retailer 9$8,907 AUD

Retailer 3$9,041 AUD

Retailer 30$9,041 AUD

Retailer 31$9,041 AUD

Retailer 29$9,208 AUD

Retailer 15$9,395 AUD

Retailer 22$9,404 AUD

Retailer 2$9,471 AUD

Retailer 24$9,572 AUD

Retailer 5$9,687 AUD

Retailer 20$9,880 AUD

Retailer 18$10,065 AUD

Retailer 23$10,065 AUD

Retailer 12$10,212 AUD

Retailer 27$10,268 AUD

Retailer 25$10,392 AUD

Retailer 28$10,434 AUD

Retailer 26$12,263 AUD

Retailer 17$14,469 AUD

Retailer 13$14,704 AUD

NZ Jewellers$16,693 AUD

33 data points across 31 retailers

31 retailers$7,467 AUD to $16,693 AUD

Cheapest Retailer

$7,467 AUD

$5,245 USD

Retailer 2

$7,585 AUD

$5,328 USD

View

B+

Retailer 3

$7,797 AUD

$5,477 USD

View

B+

Retailer 4

$7,887 AUD

$5,540 USD

View

B+

Retailer 5

$7,892 AUD

$5,544 USD

View

B+

Retailer 6

$7,991 AUD

$5,613 USD

View

B+

Retailer 7

$8,345 AUD

$5,862 USD

View

Final sale: no returns

B+

Retailer 8

$8,406 AUD

$5,905 USD

View

B+

Retailer 9

$8,654 AUD

CA$8,443 CAD

View

B+

Retailer 10

$8,858 AUD

$6,222 USD

View

B+

Retailer 11

$8,907 AUD

$6,257 USD

View

B+

Retailer 12

$9,041 AUD

$6,351 USD

View

B+

Retailer 13

$9,041 AUD

$6,351 USD

View

B+

Retailer 14

$9,041 AUD

$6,351 USD

View

B+

Retailer 15

$9,208 AUD

$6,468 USD

View

B+

Retailer 16

$9,395 AUD

$6,599 USD

View

B+

Retailer 17

$9,404 AUD

$6,606 USD

View

B+

Retailer 18

$9,471 AUD

£5,238 GBP

View

B+

Retailer 19

$9,572 AUD

£5,294 GBP

View

Retailer 20

$9,687 AUD

View

Price last confirmed 10 days ago

Retailer 21

$9,880 AUD

$6,940 USD

View

Retailer 22

$10,065 AUD

$7,070 USD

View

Retailer 23

$10,065 AUD

$7,070 USD

View

Retailer 24

$10,212 AUD

$7,173 USD

View

Retailer 25

$10,268 AUD

€6,869 EUR

View

Retailer 26

$10,392 AUD

$7,300 USD

View

Retailer 27

$10,434 AUD

$7,329 USD

View

Retailer 28

$12,263 AUD

ZAR 139,157 ZAR

View

Retailer 29

$14,469 AUD

$10,164 USD

View

Price last confirmed 9 days ago

Retailer 30

$14,704 AUD

£8,133 GBP

View

Most Expensive

NZ Jewellers

927a22e0-5234-4c1d-a049-04fa05b1346b · Oct 30

$16,693 AUD

$11,726 USD

View

30 more retailers have this diamond

Prices start from $7,467 AUDSave up to $9,226 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.

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1.50ct Oval

$7,467 AUD