Radiant|Natural|GIA

1.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6532464929

Certificate GIA 6532464929

Diamond specifications and retailer prices

From $9,932 AUD

£5,481 GBP

As of November 3, 2026

Save $8,435 AUD (46%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $18,367 AUD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532464929. Listed at 16 retailers as of October 27, 2026, with prices from $9,932 to $18,367, a $8,435 spread on the same certified stone. NZ Jewellers lists it at $18,367. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6532464929

Dimensions7.73 × 5.60 × 3.84 mm

L/W Ratio1.38

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6532464929

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 3

Current: $18,367 AUD|Low: $9,292 AUD|High: $18,367 AUD|Avg: $11,277 AUD

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

November 3, 2026

Retailer 7$9,292 AUD

Retailer 6$9,577 AUD

Retailer 2$9,932 AUD

Retailer 5$10,131 AUD

Retailer 3$10,137 AUD

Retailer 12$10,137 AUD

Retailer 9$10,201 AUD

Retailer 4$10,698 AUD

Retailer 15$10,981 AUD

Retailer 14$11,151 AUD

Retailer 10$11,935 AUD

Retailer 13$12,671 AUD

Retailer 8$13,373 AUD

Retailer 11$14,956 AUD

NZ Jewellers$18,367 AUD

39 data points across 15 retailers

16 retailers$9,932 AUD to $18,367 AUD

Retailer 1

$9,292 AUD

$6,512 USD

Price last confirmed 7 days ago

Retailer 2

$9,577 AUD

$6,712 USD

View

Price last confirmed 7 days ago

B+

Retailer 3

$9,932 AUD

£5,481 GBP

View

Retailer 4

$10,131 AUD

$7,100 USD

View

Price last confirmed 6 days ago

Retailer 5

$10,137 AUD

$7,104 USD

View

Price last confirmed 9 days ago

B+

Retailer 6

$10,201 AUD

£5,629 GBP

View

Retailer 7

$10,698 AUD

View

Price last confirmed 30 days ago

B+

Retailer 8

$10,932 AUD

$7,661 USD

View

Retailer 9

$10,981 AUD

$7,696 USD

View

Price last confirmed 8 days ago

Retailer 10

$11,151 AUD

$7,815 USD

View

Price last confirmed 8 days ago

Retailer 11

$11,216 AUD

$7,860 USD

View

Price last confirmed 9 days ago

Retailer 12

$11,935 AUD

€7,966 EUR

View

Price last confirmed 7 days ago

Retailer 13

$12,671 AUD

$8,880 USD

View

Retailer 14

$13,373 AUD

ZAR 151,405 ZAR

View

Retailer 15

$14,956 AUD

£8,253 GBP

View

Price last confirmed 7 days ago

Most Expensive

NZ Jewellers

ae27c0d4-f803-44aa-b296-c81b4670f206 · Oct 27

$18,367 AUD

$12,872 USD

View

15 more retailers have this diamond

Prices start from $9,932 AUDSave up to $8,435 AUD

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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