Round|Natural|IGI

1.60ct H VVS1 Round Natural Diamond

EX • H/VVS1 • IGI 666430018

Shape and cutting style on the report: Round brilliant

Certificate IGI 666430018

Diamond specifications and retailer prices

From $8,876 AUD

$6,235 USD

As of October 30, 2026

Save $9,846 AUD (53%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $18,722 AUD at Diamond Quarter · As of October 31, 2026

View at Diamond Quarter

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 666430018. Listed at 18 retailers as of October 30, 2026, with prices from $8,876 to $18,722, a $9,846 spread on the same certified stone. Diamond Quarter lists it at $18,722. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.6°

Pavilion angle40.6°

OriginNatural

Grading LabIGI

CertificateIGI 666430018

Dimensions7.43 × 7.48 × 4.68 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI 666430018

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 30

Current: $12,512 AUD|Low: $8,876 AUD|High: $17,023 AUD|Avg: $10,955 AUD|-1.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

October 31, 2026

Retailer 2$8,876 AUD

Retailer 4$8,932 AUD

Retailer 3$9,019 AUD

Retailer 8$9,396 AUD

Retailer 10$9,396 AUD

Retailer 5$9,417 AUD

Retailer 6$9,891 AUD

Retailer 7$11,151 AUD

Retailer 1$12,512 AUD

Retailer 9$14,261 AUD

Retailer 11$17,023 AUD

36 data points across 11 retailers

18 retailers$8,876 AUD to $18,722 AUD

Cheapest Retailer

$8,876 AUD

$6,235 USD

Retailer 2

$8,932 AUD

₹597,531 INR

View

Retailer 3

$9,019 AUD

$6,335 USD

View

Retailer 4

$9,396 AUD

$6,600 USD

View

Retailer 5

$9,396 AUD

$6,600 USD

View

Final sale: no returns

Retailer 6

$9,417 AUD

$6,615 USD

View

Retailer 7

$9,891 AUD

£5,471 GBP

View

Retailer 8

$10,506 AUD

$7,380 USD

View

Price last confirmed 54 days ago

Retailer 9

$10,506 AUD

$7,380 USD

View

Price last confirmed 30 days ago

Retailer 10

$10,667 AUD

$7,493 USD

View

Price last confirmed 32 days ago

Retailer 11

$11,151 AUD

€7,460 EUR

View

Retailer 12

$12,122 AUD

$8,515 USD

View

Price last confirmed 54 days ago

Retailer 13

$12,122 AUD

$8,515 USD

View

Price last confirmed 32 days ago

B+

Retailer 14

$12,512 AUD

ZAR 141,983 ZAR

View

B+

Retailer 15

$14,261 AUD

£7,888 GBP

View

B+

Retailer 16

$17,023 AUD

$11,958 USD

View

Retailer 17

$17,570 AUD

$12,342 USD

View

Price last confirmed 33 days ago

Most Expensive

Diamond Quarter

1.6VVS1H66184537N · Oct 31

$18,722 AUD

£10,355 GBP

View

17 more retailers have this diamond

Prices start from $8,876 AUDSave up to $9,846 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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1.60ct Round

$8,876 AUD