Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6565186595

Certificate GIA 6565186595

Diamond specifications and retailer prices

From $9,306 NZD

$5,245 USD

As of October 28, 2026

Save $11,499 NZD (55%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $20,805 NZD 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 $9,306 to $20,805, a $11,499 spread on the same certified stone. NZ Jewellers lists it at $20,805. 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: $20,805 NZD|Low: $9,306 NZD|High: $20,805 NZD|Avg: $12,191 NZD

NZ Jewellers

Retailer 2

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Retailer 25

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Retailer 28

Retailer 29

Retailer 30

Retailer 31

November 2, 2026

Retailer 6$9,306 NZD

Retailer 21$9,453 NZD

Retailer 7$9,718 NZD

Retailer 11$9,830 NZD

Retailer 4$9,837 NZD

Retailer 8$9,960 NZD

Retailer 14$10,401 NZD

Retailer 10$10,477 NZD

Retailer 16$10,786 NZD

Retailer 19$11,040 NZD

Retailer 9$11,101 NZD

Retailer 3$11,269 NZD

Retailer 30$11,269 NZD

Retailer 31$11,269 NZD

Retailer 29$11,476 NZD

Retailer 15$11,709 NZD

Retailer 22$11,721 NZD

Retailer 2$11,803 NZD

Retailer 24$11,930 NZD

Retailer 5$12,074 NZD

Retailer 20$12,314 NZD

Retailer 18$12,544 NZD

Retailer 23$12,544 NZD

Retailer 12$12,728 NZD

Retailer 13$12,836 NZD

Retailer 25$12,952 NZD

Retailer 28$13,004 NZD

Retailer 27$15,284 NZD

Retailer 17$18,034 NZD

Retailer 26$18,327 NZD

NZ Jewellers$20,805 NZD

33 data points across 31 retailers

31 retailers$9,306 NZD to $20,805 NZD

Cheapest Retailer

$9,306 NZD

$5,245 USD

Retailer 2

$9,453 NZD

$5,328 USD

View

B+

Retailer 3

$9,718 NZD

$5,477 USD

View

B+

Retailer 4

$9,830 NZD

$5,540 USD

View

B+

Retailer 5

$9,837 NZD

$5,544 USD

View

B+

Retailer 6

$9,960 NZD

$5,613 USD

View

B+

Retailer 7

$10,401 NZD

$5,862 USD

View

Final sale: no returns

B+

Retailer 8

$10,477 NZD

$5,905 USD

View

B+

Retailer 9

$10,786 NZD

CA$8,443 CAD

View

B+

Retailer 10

$11,040 NZD

$6,222 USD

View

B+

Retailer 11

$11,101 NZD

$6,257 USD

View

B+

Retailer 12

$11,269 NZD

$6,351 USD

View

B+

Retailer 13

$11,269 NZD

$6,351 USD

View

B+

Retailer 14

$11,269 NZD

$6,351 USD

View

B+

Retailer 15

$11,476 NZD

$6,468 USD

View

B+

Retailer 16

$11,709 NZD

$6,599 USD

View

B+

Retailer 17

$11,721 NZD

$6,606 USD

View

B+

Retailer 18

$11,803 NZD

£5,238 GBP

View

B+

Retailer 19

$11,930 NZD

£5,294 GBP

View

Retailer 20

$12,074 NZD

A$10,469 AUD

View

Price last confirmed 11 days ago

Retailer 21

$12,314 NZD

$6,940 USD

View

Retailer 22

$12,544 NZD

$7,070 USD

View

Retailer 23

$12,544 NZD

$7,070 USD

View

Retailer 24

$12,728 NZD

$7,173 USD

View

Retailer 25

$12,836 NZD

€6,890 EUR

View

Retailer 26

$12,952 NZD

$7,300 USD

View

Retailer 27

$13,004 NZD

$7,329 USD

View

Retailer 28

$15,284 NZD

ZAR 139,157 ZAR

View

Retailer 29

$18,034 NZD

$10,164 USD

View

Price last confirmed 9 days ago

Retailer 30

$18,327 NZD

£8,133 GBP

View

Most Expensive

NZ Jewellers

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

$20,805 NZD

$11,726 USD

View

30 more retailers have this diamond

Prices start from $9,306 NZDSave up to $11,499 NZD

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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