Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2527616153

Certificate GIA 2527616153

Diamond specifications and retailer prices

From $5,426 NZD

$3,053 USD

As of October 28, 2026

Save $6,875 NZD (56%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $12,301 NZD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527616153. Listed at 27 retailers as of October 27, 2026, with prices from $5,426 to $12,301, a $6,875 spread on the same certified stone. NZ Jewellers lists it at $12,301. 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

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle48.84°

Pavilion angle33.19°

OriginNatural

Grading LabGIA

CertificateGIA 2527616153

Dimensions7.11 × 5.67 × 4.00 mm

L/W Ratio1.25

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2527616153

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: Oct 28

Current: $12,301 NZD|Low: $4,767 NZD|High: $12,638 NZD|Avg: $7,169 NZD|-2.7%

NZ Jewellers

Retailer 2

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Retailer 27

October 29, 2026

Retailer 7$5,426 NZD

Retailer 6$5,563 NZD

Retailer 2$5,564 NZD

Retailer 4$5,602 NZD

Retailer 10$5,677 NZD

Retailer 19$5,904 NZD

Retailer 12$6,361 NZD

Retailer 11$6,397 NZD

Retailer 25$6,397 NZD

Retailer 23$6,403 NZD

Retailer 18$6,412 NZD

Retailer 26$6,482 NZD

Retailer 27$6,642 NZD

Retailer 14$6,837 NZD

Retailer 21$6,908 NZD

Retailer 5$6,956 NZD

Retailer 16$6,985 NZD

Retailer 17$7,093 NZD

Retailer 22$7,178 NZD

Retailer 3$7,234 NZD

Retailer 15$7,234 NZD

Retailer 8$7,379 NZD

Retailer 9$7,482 NZD

Retailer 13$7,780 NZD

Retailer 20$10,202 NZD

Retailer 24$11,823 NZD

NZ Jewellers$12,301 NZD

30 data points across 27 retailers

27 retailers$5,426 NZD to $12,301 NZD

Cheapest Retailer

$5,426 NZD

$3,053 USD

Retailer 2

$5,563 NZD

$3,130 USD

View

Retailer 3

$5,564 NZD

$3,131 USD

View

Retailer 4

$5,602 NZD

$3,152 USD

View

Retailer 5

$5,677 NZD

$3,194 USD

View

Retailer 6

$6,361 NZD

$3,579 USD

View

Retailer 7

$6,397 NZD

$3,599 USD

View

Price last confirmed 7 days ago

Retailer 8

$6,397 NZD

$3,599 USD

View

Price last confirmed 9 days ago

Retailer 9

$6,403 NZD

$3,603 USD

View

Price last confirmed 7 days ago

Retailer 10

$6,412 NZD

CA$5,011 CAD

View

Retailer 11

$6,482 NZD

$3,647 USD

View

Price last confirmed 10 days ago

Retailer 12

$6,642 NZD

$3,737 USD

View

Price last confirmed 8 days ago

Retailer 13

$6,814 NZD

A$5,898 AUD

View

Retailer 14

$6,837 NZD

$3,847 USD

View

Retailer 15

$6,908 NZD

£3,060 GBP

View

Retailer 16

$6,956 NZD

$3,914 USD

View

Price last confirmed 12 days ago

Retailer 17

$6,985 NZD

$3,930 USD

View

Retailer 18

$7,093 NZD

$3,991 USD

View

Retailer 19

$7,178 NZD

£3,180 GBP

View

Retailer 20

$7,234 NZD

$4,070 USD

View

Retailer 21

$7,234 NZD

$4,070 USD

View

Retailer 22

$7,379 NZD

$4,152 USD

View

Retailer 23

$7,482 NZD

$4,210 USD

View

Retailer 24

$7,780 NZD

€4,169 EUR

View

B+

Retailer 25

$10,202 NZD

$5,740 USD

View

Retailer 26

$11,823 NZD

£5,238 GBP

View

Price last confirmed 7 days ago

Most Expensive

NZ Jewellers

587b9d6c-140b-4667-b65b-2a937575911c · Oct 27

$12,301 NZD

$6,921 USD

View

26 more retailers have this diamond

Prices start from $5,426 NZDSave up to $6,875 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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