Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 1525780219

Certificate GIA 1525780219

Diamond specifications and retailer prices

From $5,465 CAD

$3,912 USD

As of October 31, 2026

Save $6,734 CAD (55%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $12,199 CAD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1525780219. Listed at 29 retailers as of October 30, 2026, with prices from $5,465 to $12,199, a $6,734 spread on the same certified stone. NZ Jewellers lists it at $12,199. 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

Color

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.97°

Pavilion angle31.5°

OriginNatural

Grading LabGIA

CertificateGIA 1525780219

Dimensions7.21 × 5.69 × 3.91 mm

L/W Ratio1.27

Girdle conditionVery Thick

Key to symbols

Crystal, Cloud, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1525780219

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: Oct 31

Current: $12,199 CAD|Low: $4,724 CAD|High: $12,199 CAD|Avg: $7,094 CAD

NZ Jewellers

Retailer 2

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Retailer 26

November 1, 2026

Retailer 11$5,465 CAD

Retailer 8$5,470 CAD

Retailer 22$5,528 CAD

Retailer 7$5,532 CAD

Retailer 12$5,597 CAD

Retailer 10$5,856 CAD

Retailer 24$6,000 CAD

Retailer 9$6,302 CAD

Retailer 16$6,325 CAD

Retailer 6$6,343 CAD

Retailer 14$6,343 CAD

Retailer 23$6,343 CAD

Retailer 25$6,449 CAD

Retailer 15$6,796 CAD

Retailer 13$6,906 CAD

Retailer 5$7,124 CAD

Retailer 26$7,124 CAD

Retailer 17$7,226 CAD

Retailer 18$7,239 CAD

Retailer 4$7,320 CAD

Retailer 3$7,362 CAD

Retailer 21$7,448 CAD

Retailer 20$8,607 CAD

Retailer 19$10,135 CAD

Retailer 2$11,154 CAD

NZ Jewellers$12,199 CAD

40 data points across 26 retailers

29 retailers$5,465 CAD to $12,199 CAD

Cheapest Retailer

$5,465 CAD

$3,912 USD

Retailer 2

$5,470 CAD

$3,916 USD

View

Retailer 3

$5,528 CAD

$3,958 USD

View

Retailer 4

$5,532 CAD

$3,960 USD

View

Retailer 5

$5,597 CAD

$4,007 USD

View

Retailer 6

$5,785 CAD

A$6,372 AUD

View

Retailer 7

$5,856 CAD

$4,192 USD

View

Final sale: no returns

Retailer 8

$6,000 CAD

$4,295 USD

View

Retailer 9

$6,302 CAD

$4,512 USD

View

Retailer 10

$6,325 CAD

$4,528 USD

View

Price last confirmed 9 days ago

Retailer 11

$6,343 CAD

$4,541 USD

View

Retailer 12

$6,343 CAD

$4,541 USD

View

Retailer 13

$6,343 CAD

$4,541 USD

View

Retailer 14

$6,449 CAD

$4,617 USD

View

Retailer 15

$6,672 CAD

A$7,348 AUD

View

Retailer 16

$6,796 CAD

$4,865 USD

View

Retailer 17

$6,906 CAD

£3,893 GBP

View

Retailer 18

$7,124 CAD

$5,100 USD

View

Retailer 19

$7,124 CAD

$5,100 USD

View

Retailer 20

$7,226 CAD

$5,173 USD

View

Retailer 21

$7,239 CAD

A$7,973 AUD

View

Price last confirmed 23 days ago

Retailer 22

$7,320 CAD

$5,240 USD

View

Retailer 23

$7,362 CAD

$5,270 USD

View

Retailer 24

$7,448 CAD

€5,078 EUR

View

Retailer 25

$7,507 CAD

$5,374 USD

View

Price last confirmed 56 days ago

B+

Retailer 26

$8,607 CAD

ZAR 99,544 ZAR

View

Retailer 27

$10,135 CAD

$7,255 USD

View

B+

Retailer 28

$11,154 CAD

£6,287 GBP

View

Most Expensive

NZ Jewellers

cde40c29-89bd-459f-8487-001a75435224 · Oct 30

$12,199 CAD

$8,733 USD

View

28 more retailers have this diamond

Prices start from $5,465 CADSave up to $6,734 CAD

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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