Round|Natural|GIA

3.15ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552216927

Certificate GIA 6552216927

Diamond specifications and retailer prices

From $42,536 AUD

As of November 2, 2026

13 retailers carry this diamond

Most expensive: $62,822 AUD at MOH London · As of October 5, 2026

View at MOH London

About this 3.15ct natural round diamond

This 3.15ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552216927. Listed at 13 retailers as of November 2, 2026. 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

3.15

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

Crown angle36.5°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 6552216927

Dimensions9.30 × 9.32 × 5.85 mm

L/W Ratio1.00

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 6552216927

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 2

Current: $62,822 AUD|Low: $32,018 AUD|High: $62,822 AUD|Avg: $41,940 AUD|+0.1%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

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Retailer 19

Retailer 20

Retailer 21

October 8, 2026

Retailer 9$32,018 AUD

Retailer 6$36,186 AUD

Retailer 20$36,216 AUD

Retailer 7$36,433 AUD

Retailer 3$36,885 AUD

Retailer 15$38,011 AUD

Retailer 4$38,658 AUD

Retailer 5$39,745 AUD

Retailer 19$40,023 AUD

Retailer 17$40,035 AUD

Retailer 21$41,103 AUD

Retailer 2$41,127 AUD

Retailer 12$41,882 AUD

Retailer 11$42,490 AUD

Retailer 10$42,536 AUD

Retailer 16$43,277 AUD

Retailer 8$44,070 AUD

Retailer 14$46,843 AUD

Retailer 13$47,811 AUD

Retailer 18$50,567 AUD

MOH London$62,822 AUD

21 data points across 21 retailers

13 retailers

Retailer 1

$36,186 AUD

$25,419 USD

Price last confirmed 27 days ago

Retailer 2

$36,885 AUD

$25,910 USD

View

Price last confirmed 26 days ago

Retailer 3

$40,023 AUD

$28,114 USD

View

Price last confirmed 27 days ago

Retailer 4

$40,035 AUD

View

Price last confirmed 29 days ago

Retailer 5

$41,403 AUD

$29,083 USD

View

Price last confirmed 36 days ago

Retailer 6

$41,733 AUD

$29,315 USD

View

Price last confirmed 33 days ago

B+

Retailer 7

$42,536 AUD

View

Retailer 8

$43,058 AUD

$30,246 USD

View

Price last confirmed 31 days ago

Retailer 9

$44,070 AUD

$30,957 USD

View

Price last confirmed 26 days ago

Retailer 10

$44,714 AUD

$31,409 USD

View

Price last confirmed 33 days ago

Retailer 11

$46,843 AUD

$32,904 USD

View

Price last confirmed 27 days ago

Retailer 12

$50,567 AUD

ZAR 573,836 ZAR

View

Price last confirmed 32 days ago

Most Expensive

MOH London

D151432D3 · Oct 5

$62,822 AUD

£34,747 GBP

View

Price last confirmed 27 days ago

12 more retailers have this diamond

Prices start from $42,536 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+

3.15ct Round

$42,536 AUD