Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2547741234

Certificate GIA 2547741234

Diamond specifications and retailer prices

From $9,228 AUD

$6,467 USD

As of November 1, 2026

Save $10,305 AUD (53%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $19,533 AUD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round 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 and certified by GIA 2547741234. Listed at 18 retailers as of October 30, 2026, with prices from $9,228 to $19,533, a $10,305 spread on the same certified stone. NZ Jewellers lists it at $19,533. 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

1.60

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 2547741234

Dimensions7.45 × 7.41 × 4.66 mm

L/W Ratio1.01

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2547741234

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 1

Current: $12,012 AUD|Low: $9,774 AUD|High: $16,473 AUD|Avg: $12,089 AUD|-1.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 8$9,774 AUD

Retailer 2$10,580 AUD

Retailer 10$10,743 AUD

Retailer 5$10,854 AUD

Retailer 7$11,198 AUD

Retailer 9$11,311 AUD

Retailer 1$12,012 AUD

Retailer 3$12,705 AUD

Retailer 6$14,348 AUD

Retailer 4$16,277 AUD

39 data points across 10 retailers

18 retailers$9,228 AUD to $19,533 AUD

B+

Cheapest Retailer

$9,228 AUD

$6,467 USD

B+

Retailer 2

$9,767 AUD

$6,845 USD

View

B+

Retailer 3

$9,774 AUD

$6,850 USD

View

B+

Retailer 4

$10,400 AUD

$7,289 USD

View

B+

Retailer 5

$10,580 AUD

$7,415 USD

View

B+

Retailer 6

$10,743 AUD

$7,529 USD

View

B+

Retailer 7

$10,854 AUD

£5,989 GBP

View

Retailer 8

$11,198 AUD

$7,848 USD

View

Retailer 9

$11,311 AUD

View

Price last confirmed 29 days ago

B+

Retailer 10

$12,012 AUD

£6,628 GBP

View

Retailer 11

$12,209 AUD

$8,556 USD

View

Price last confirmed 56 days ago

B+

Retailer 12

$12,209 AUD

$8,556 USD

View

B+

Retailer 13

$12,705 AUD

€8,480 EUR

View

Retailer 14

$12,865 AUD

$9,016 USD

View

Price last confirmed 20 days ago

Retailer 15

$14,348 AUD

ZAR 162,442 ZAR

View

Retailer 16

$16,277 AUD

£8,982 GBP

View

Retailer 17

$19,533 AUD

$13,689 USD

View

Price last confirmed 62 days ago

Most Expensive

NZ Jewellers

afaf7e6f-cb21-4f6e-9aff-798e8fcb11b2 · Oct 30

$19,533 AUD

$13,689 USD

View

17 more retailers have this diamond

Prices start from $9,228 AUDSave up to $10,305 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.

Similar diamonds

B+

1.60ct Round

$9,228 AUD