Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7481667514

Certificate GIA 7481667514

Diamond specifications and retailer prices

From $12,041 NZD

$6,775 USD

As of November 1, 2026

Save $14,048 NZD (54%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $26,089 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7481667514. Listed at 19 retailers as of November 1, 2026, with prices from $12,041 to $26,089, a $14,048 spread on the same certified stone. NZ Jewellers lists it at $26,089. 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

FluorescenceMedium

Crown angle35°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 7481667514

Dimensions7.35 × 7.30 × 4.53 mm

L/W Ratio1.01

Star length55%

Lower girdle80%

Girdle conditionFaceted

Culet sizeNone

Cert comments

Pinpoints are not shown.

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

CertificateGIA 7481667514

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: $16,101 NZD|Low: $12,041 NZD|High: $22,001 NZD|Avg: $15,817 NZD|+2.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 1, 2026

Retailer 8$12,041 NZD

Retailer 7$12,214 NZD

Retailer 9$13,028 NZD

Retailer 2$14,348 NZD

Retailer 3$14,439 NZD

Retailer 6$14,773 NZD

Retailer 1$16,101 NZD

Retailer 10$17,495 NZD

Retailer 4$19,163 NZD

Retailer 5$21,854 NZD

43 data points across 10 retailers

19 retailers$12,041 NZD to $26,089 NZD

B+

Cheapest Retailer

$12,041 NZD

$6,775 USD

B+

Retailer 2

$12,214 NZD

$6,872 USD

View

B+

Retailer 3

$13,028 NZD

$7,330 USD

View

B+

Retailer 4

$13,044 NZD

$7,339 USD

View

B+

Retailer 5

$14,131 NZD

$7,951 USD

View

B+

Retailer 6

$14,348 NZD

$8,073 USD

View

B+

Retailer 7

$14,439 NZD

£6,397 GBP

View

Retailer 8

$14,773 NZD

A$12,788 AUD

View

Price last confirmed 11 days ago

Retailer 9

$15,551 NZD

$8,750 USD

View

Retailer 10

$15,551 NZD

$8,750 USD

View

Retailer 11

$16,067 NZD

$9,040 USD

View

Retailer 12

$16,101 NZD

€8,628 EUR

View

Retailer 13

$16,305 NZD

$9,174 USD

View

Retailer 14

$17,179 NZD

$9,666 USD

View

Price last confirmed 10 days ago

Retailer 15

$17,495 NZD

£7,751 GBP

View

Price last confirmed 33 days ago

Retailer 16

$19,163 NZD

ZAR 174,184 ZAR

View

Retailer 17

$21,854 NZD

£9,682 GBP

View

Retailer 18

$24,650 NZD

£10,921 GBP

View

Most Expensive

NZ Jewellers

9149c5bf-0b50-4c78-bce4-33fd8893ebd1 · Nov 2

$26,089 NZD

$14,679 USD

View

18 more retailers have this diamond

Prices start from $12,041 NZDSave up to $14,048 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.

Similar diamonds

B+

1.51ct Round

$12,041 NZD