Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2507294381

Certificate GIA 2507294381

Diamond specifications and retailer prices

From $4,266 AUD

$2,990 USD

As of November 1, 2026

Save $5,114 AUD (55%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $9,380 AUD at NZ Jewellers · As of November 2, 2026

View at NZ Jewellers

About this 1.11ct natural round diamond

This 1.11ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507294381. Listed at 18 retailers as of November 1, 2026, with prices from $4,266 to $9,380, a $5,114 spread on the same certified stone. NZ Jewellers lists it at $9,380. 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

1.11

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle40.6°

OriginNatural

Grading LabGIA

CertificateGIA 2507294381

Dimensions6.63 × 6.60 × 4.11 mm

L/W Ratio1.00

Star length45%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2507294381

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: $9,380 AUD|Low: $3,751 AUD|High: $9,380 AUD|Avg: $6,189 AUD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 6$4,266 AUD

Retailer 7$4,502 AUD

Retailer 10$4,702 AUD

Retailer 9$5,065 AUD

Retailer 2$5,593 AUD

Retailer 8$5,767 AUD

Retailer 3$6,276 AUD

Retailer 5$6,618 AUD

Retailer 4$9,005 AUD

NZ Jewellers$9,380 AUD

42 data points across 10 retailers

18 retailers$4,266 AUD to $9,380 AUD

B+

Cheapest Retailer

$4,266 AUD

$2,990 USD

B+

Retailer 2

$4,331 AUD

$3,035 USD

View

B+

Retailer 3

$4,502 AUD

$3,155 USD

View

Final sale: no returns

B+

Retailer 4

$4,702 AUD

$3,295 USD

View

B+

Retailer 5

$4,877 AUD

$3,418 USD

View

B+

Retailer 6

$4,877 AUD

$3,418 USD

View

Retailer 7

$5,065 AUD

$3,550 USD

View

Retailer 8

$5,522 AUD

$3,870 USD

View

Retailer 9

$5,522 AUD

$3,870 USD

View

B+

Retailer 10

$5,593 AUD

£3,086 GBP

View

Retailer 11

$5,628 AUD

$3,944 USD

View

Retailer 12

$5,708 AUD

$4,000 USD

View

Retailer 13

$5,767 AUD

View

Price last confirmed 24 days ago

Retailer 14

$6,096 AUD

$4,272 USD

View

Price last confirmed 10 days ago

Retailer 15

$6,276 AUD

€4,189 EUR

View

Retailer 16

$6,618 AUD

ZAR 74,927 ZAR

View

Retailer 17

$9,005 AUD

£4,969 GBP

View

Most Expensive

NZ Jewellers

80fd30a1-3797-46b8-bdf6-ea6d983cbdec · Nov 2

$9,380 AUD

$6,574 USD

View

17 more retailers have this diamond

Prices start from $4,266 AUDSave up to $5,114 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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B+

1.11ct Round

$4,266 AUD