Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1567314878

Certificate GIA 1567314878

Diamond specifications and retailer prices

From $12,708 NZD

$7,150 USD

As of November 2, 2026

Save $16,447 NZD (56%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $29,155 NZD at NZ Jewellers · As of November 2, 2026

View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567314878. Listed at 19 retailers as of November 2, 2026, with prices from $12,708 to $29,155, a $16,447 spread on the same certified stone. NZ Jewellers lists it at $29,155. 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

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 1567314878

Dimensions7.33 × 7.37 × 4.55 mm

L/W Ratio1.01

Culet sizeNone

Key to symbols

Cloud, Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1567314878

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 2

Current: $29,155 NZD|Low: $12,708 NZD|High: $29,155 NZD|Avg: $17,165 NZD

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

November 2, 2026

Retailer 6$12,708 NZD

Retailer 8$12,762 NZD

Retailer 16$13,001 NZD

Retailer 9$13,523 NZD

Retailer 5$13,648 NZD

Retailer 3$14,503 NZD

Retailer 18$14,577 NZD

Retailer 4$15,791 NZD

Retailer 12$16,035 NZD

Retailer 17$16,035 NZD

Retailer 15$16,107 NZD

Retailer 11$17,447 NZD

Retailer 7$18,221 NZD

Retailer 2$18,506 NZD

Retailer 10$19,191 NZD

Retailer 14$21,415 NZD

Retailer 13$24,294 NZD

NZ Jewellers$29,155 NZD

26 data points across 18 retailers

19 retailers$12,708 NZD to $29,155 NZD

B+

Cheapest Retailer

$12,708 NZD

$7,150 USD

B+

Retailer 2

$12,762 NZD

HK$56,100 HKD

View

B+

Retailer 3

$13,001 NZD

$7,315 USD

View

B+

Retailer 4

$13,169 NZD

A$11,399 AUD

View

B+

Retailer 5

$13,523 NZD

$7,609 USD

View

Final sale: no returns

B+

Retailer 6

$13,648 NZD

$7,679 USD

View

B+

Retailer 7

$14,503 NZD

$8,160 USD

View

B+

Retailer 8

$14,577 NZD

$8,202 USD

View

B+

Retailer 9

$15,791 NZD

$8,885 USD

View

B+

Retailer 10

$16,035 NZD

£7,104 GBP

View

Retailer 11

$16,035 NZD

$9,022 USD

View

Retailer 12

$16,107 NZD

A$13,943 AUD

View

Price last confirmed 9 days ago

B+

Retailer 13

$17,447 NZD

€9,349 EUR

View

Retailer 14

$18,221 NZD

$10,252 USD

View

B+

Retailer 15

$18,506 NZD

£8,199 GBP

View

Retailer 16

$19,191 NZD

$10,798 USD

View

Price last confirmed 19 days ago

Retailer 17

$21,415 NZD

ZAR 194,655 ZAR

View

Retailer 18

$24,294 NZD

£10,763 GBP

View

Most Expensive

NZ Jewellers

a883de12-2672-4f63-9446-a9a4284d9292 · Nov 2

$29,155 NZD

$16,404 USD

View

18 more retailers have this diamond

Prices start from $12,708 NZDSave up to $16,447 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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B+

1.51ct Round

$12,708 NZD