Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2233843136

Certificate GIA 2233843136

Diamond specifications and retailer prices

From $9,270 NZD

$5,216 USD

As of November 1, 2026

Save $10,351 NZD (53%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $19,621 NZD at NZ Jewellers · As of October 30, 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 2233843136. Listed at 17 retailers as of October 30, 2026, with prices from $9,270 to $19,621, a $10,351 spread on the same certified stone. NZ Jewellers lists it at $19,621. 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

OriginNatural

Grading LabGIA

CertificateGIA 2233843136

Dimensions7.93 × 5.95 × 4.02 mm

L/W Ratio1.33

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2233843136

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: Nov 1

Current: $19,621 NZD|Low: $8,993 NZD|High: $20,267 NZD|Avg: $12,277 NZD|-3.2%

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

November 2, 2026

Retailer 7$9,270 NZD

Retailer 13$9,811 NZD

Retailer 8$9,892 NZD

Retailer 4$10,628 NZD

Retailer 5$10,628 NZD

Retailer 16$10,628 NZD

Retailer 17$10,820 NZD

Retailer 10$11,253 NZD

Retailer 3$11,837 NZD

Retailer 15$11,837 NZD

Retailer 14$12,246 NZD

Retailer 6$12,263 NZD

Retailer 2$12,815 NZD

Retailer 9$12,935 NZD

Retailer 12$17,004 NZD

Retailer 11$17,285 NZD

NZ Jewellers$19,621 NZD

44 data points across 17 retailers

17 retailers$9,270 NZD to $19,621 NZD

Cheapest Retailer

$9,270 NZD

$5,216 USD

B+

Retailer 2

$9,811 NZD

$5,520 USD

View

Final sale: no returns

B+

Retailer 3

$9,892 NZD

$5,566 USD

View

B+

Retailer 4

$10,628 NZD

$5,980 USD

View

B+

Retailer 5

$10,628 NZD

$5,980 USD

View

B+

Retailer 6

$10,628 NZD

$5,980 USD

View

B+

Retailer 7

$10,820 NZD

$6,088 USD

View

B+

Retailer 8

$11,253 NZD

£4,985 GBP

View

B+

Retailer 9

$11,641 NZD

$6,550 USD

View

B+

Retailer 10

$11,837 NZD

$6,660 USD

View

B+

Retailer 11

$11,837 NZD

$6,660 USD

View

B+

Retailer 12

$12,246 NZD

$6,890 USD

View

B+

Retailer 13

$12,263 NZD

$6,900 USD

View

B+

Retailer 14

$12,815 NZD

€6,867 EUR

View

Retailer 15

$17,004 NZD

$9,567 USD

View

Retailer 16

$17,285 NZD

£7,658 GBP

View

Most Expensive

NZ Jewellers

2c317112-8905-4cc0-8e10-deb747694a85 · Oct 30

$19,621 NZD

$11,040 USD

View

16 more retailers have this diamond

Prices start from $9,270 NZDSave up to $10,351 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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