Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6562231098

Certificate GIA 6562231098

Diamond specifications and retailer prices

From $13,263 NZD

HK$58,400 HKD

As of November 1, 2026

Save $16,557 NZD (56%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $29,821 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562231098. Listed at 27 retailers as of October 30, 2026, with prices from $13,263 to $29,821, a $16,557 spread on the same certified stone. NZ Jewellers lists it at $29,821. 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

1.51

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle38.8°

Pavilion angle38.2°

OriginNatural

Grading LabGIA

CertificateGIA 6562231098

Dimensions8.87 × 6.44 × 4.06 mm

L/W Ratio1.38

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 6562231098

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $29,821 NZD|Low: $12,968 NZD|High: $32,221 NZD|Avg: $17,855 NZD

NZ Jewellers

Retailer 2

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Retailer 27

November 1, 2026

Retailer 12$13,263 NZD

Retailer 2$13,290 NZD

Retailer 5$13,467 NZD

Retailer 20$13,899 NZD

Retailer 9$13,962 NZD

Retailer 6$14,251 NZD

Retailer 19$14,338 NZD

Retailer 17$14,643 NZD

Retailer 27$14,824 NZD

Retailer 7$14,911 NZD

Retailer 16$16,107 NZD

Retailer 23$16,153 NZD

Retailer 22$16,259 NZD

Retailer 18$16,550 NZD

Retailer 26$16,629 NZD

Retailer 21$16,683 NZD

Retailer 8$17,637 NZD

Retailer 10$17,637 NZD

Retailer 14$17,817 NZD

Retailer 11$18,222 NZD

Retailer 3$18,462 NZD

Retailer 4$18,639 NZD

Retailer 25$19,233 NZD

Retailer 15$19,276 NZD

Retailer 24$21,905 NZD

Retailer 13$23,286 NZD

NZ Jewellers$29,821 NZD

14 data points across 27 retailers

27 retailers$13,263 NZD to $29,821 NZD

Cheapest Retailer

$13,263 NZD

HK$58,400 HKD

Retailer 2

$13,290 NZD

$7,490 USD

View

Retailer 3

$13,467 NZD

$7,590 USD

View

Retailer 4

$13,962 NZD

$7,869 USD

View

Retailer 5

$14,194 NZD

$8,000 USD

View

Price last confirmed 24 days ago

B+

Retailer 6

$14,251 NZD

$8,032 USD

View

Retailer 7

$14,338 NZD

SGD 10,920 SGD

View

Price last confirmed 22 days ago

B+

Retailer 8

$14,643 NZD

$8,253 USD

View

B+

Retailer 9

$14,824 NZD

$8,355 USD

View

B+

Retailer 10

$14,911 NZD

$8,404 USD

View

Final sale: no returns

B+

Retailer 11

$16,107 NZD

$9,078 USD

View

B+

Retailer 12

$16,153 NZD

$9,104 USD

View

B+

Retailer 13

$16,259 NZD

£7,215 GBP

View

Retailer 14

$16,550 NZD

A$14,350 AUD

View

Price last confirmed 9 days ago

B+

Retailer 15

$16,629 NZD

$9,372 USD

View

B+

Retailer 16

$16,683 NZD

£7,403 GBP

View

B+

Retailer 17

$17,637 NZD

$9,940 USD

View

B+

Retailer 18

$17,637 NZD

$9,940 USD

View

Retailer 19

$17,667 NZD

$9,957 USD

View

Retailer 20

$17,817 NZD

$10,042 USD

View

B+

Retailer 21

$18,222 NZD

$10,270 USD

View

B+

Retailer 22

$18,462 NZD

€9,910 EUR

View

B+

Retailer 23

$18,639 NZD

$10,505 USD

View

B+

Retailer 24

$19,233 NZD

$10,840 USD

View

Retailer 25

$21,905 NZD

ZAR 199,444 ZAR

View

Retailer 26

$23,286 NZD

£10,334 GBP

View

Most Expensive

NZ Jewellers

2ec1dfbe-c26d-48b9-9ee7-71427e7e5858 · Oct 30

$29,821 NZD

$16,807 USD

View

26 more retailers have this diamond

Prices start from $13,263 NZDSave up to $16,557 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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1.51ct Oval

$13,263 NZD