Radiant|Natural|GIA

1.21ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2231483721

Certificate GIA 2231483721

Diamond specifications and retailer prices

From $5,165 NZD

$2,906 USD

As of November 2, 2026

Save $5,687 NZD (52%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $10,852 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231483721. Listed at 15 retailers as of October 30, 2026, with prices from $5,165 to $10,852, a $5,687 spread on the same certified stone. NZ Jewellers lists it at $10,852. 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

1.21

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryVery Good

FluorescenceFaint

OriginNatural

Grading LabGIA

CertificateGIA 2231483721

Dimensions6.94 × 5.28 × 3.69 mm

L/W Ratio1.31

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceFaint

CertificateGIA 2231483721

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: $10,852 NZD|Low: $5,165 NZD|High: $10,852 NZD|Avg: $6,872 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

November 2, 2026

Retailer 3$5,165 NZD

Retailer 13$5,643 NZD

Retailer 15$5,643 NZD

Retailer 4$5,677 NZD

Retailer 14$5,860 NZD

Retailer 6$5,908 NZD

Retailer 5$6,177 NZD

Retailer 9$6,510 NZD

Retailer 12$6,512 NZD

Retailer 7$6,565 NZD

Retailer 16$7,059 NZD

Retailer 8$7,088 NZD

Retailer 2$7,291 NZD

Retailer 11$7,657 NZD

Retailer 10$10,417 NZD

NZ Jewellers$10,852 NZD

18 data points across 16 retailers

15 retailers$5,165 NZD to $10,852 NZD

B+

Cheapest Retailer

$5,165 NZD

$2,906 USD

B+

Retailer 2

$5,643 NZD

$3,175 USD

View

B+

Retailer 3

$5,643 NZD

$3,175 USD

View

Retailer 4

$5,677 NZD

$3,194 USD

View

Retailer 5

$5,860 NZD

$3,297 USD

View

Retailer 6

$5,908 NZD

$3,324 USD

View

B+

Retailer 7

$6,177 NZD

CA$4,827 CAD

View

Retailer 8

$6,510 NZD

£2,884 GBP

View

Retailer 9

$6,512 NZD

$3,664 USD

View

Retailer 10

$6,565 NZD

$3,694 USD

View

Retailer 11

$7,059 NZD

$3,972 USD

View

Price last confirmed 10 days ago

Retailer 12

$7,291 NZD

€3,907 EUR

View

Retailer 13

$7,657 NZD

ZAR 69,598 ZAR

View

Retailer 14

$10,417 NZD

£4,615 GBP

View

Most Expensive

NZ Jewellers

304b2cca-abd9-424a-9469-a079e08a804e · Oct 30

$10,852 NZD

$6,106 USD

View

14 more retailers have this diamond

Prices start from $5,165 NZDSave up to $5,687 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+

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