Round|Lab Grown|IGI

1.17ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG794602623

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602623

Diamond specifications and retailer prices

From $329 AUD

$231 USD

As of October 26, 2026

Save $1,559 AUD (83%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $1,888 AUD at MOH London · As of October 26, 2026

View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown 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 IGI LG794602623 or 794602623. Listed at 18 retailers as of October 26, 2026, with prices from $329 to $1,888, a $1,559 spread on the same certified stone. MOH London lists it at $1,888. 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

1.17

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle41.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG794602623

Dimensions6.67 × 6.63 × 4.16 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG794602623

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 26

Current: $1,888 AUD|Low: $266 AUD|High: $1,888 AUD|Avg: $744 AUD|+28.4%

MOH London

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

October 31, 2026

Retailer 4$309 AUD

Retailer 14$329 AUD

Retailer 11$367 AUD

Retailer 10$409 AUD

Retailer 9$552 AUD

Retailer 3$591 AUD

Retailer 2$665 AUD

Retailer 5$769 AUD

Retailer 8$894 AUD

Retailer 13$931 AUD

Retailer 7$1,008 AUD

Retailer 6$1,026 AUD

Retailer 12$1,386 AUD

MOH London$1,888 AUD

30 data points across 14 retailers

18 retailers$329 AUD to $1,888 AUD

Retailer 1

$266 AUD

$187 USD

Price last confirmed 21 days ago

Retailer 2

$309 AUD

$217 USD

View

Price last confirmed 22 days ago

Retailer 3

$329 AUD

$231 USD

View

Retailer 4

$330 AUD

$232 USD

View

Price last confirmed 29 days ago

B+

Retailer 5

$367 AUD

$258 USD

View

Final sale: no returns

Retailer 6

$382 AUD

$268 USD

View

B+

Retailer 7

$409 AUD

$287 USD

View

B+

Retailer 8

$552 AUD

$388 USD

View

Retailer 9

$591 AUD

$415 USD

View

Price last confirmed 14 days ago

B+

Retailer 10

$665 AUD

€445 EUR

View

Retailer 11

$894 AUD

$628 USD

View

B+

Retailer 12

$931 AUD

$654 USD

View

Retailer 13

$987 AUD

$693 USD

View

Price last confirmed 17 days ago

B+

Retailer 14

$1,008 AUD

$708 USD

View

Retailer 15

$1,032 AUD

$725 USD

View

Price last confirmed 7 days ago

Retailer 16

$1,061 AUD

$745 USD

View

Price last confirmed 31 days ago

B+

Retailer 17

$1,386 AUD

$974 USD

View

Most Expensive

B+

MOH London

LG794602623 · Oct 26

$1,888 AUD

£1,044 GBP

View

17 more retailers have this diamond

Prices start from $329 AUDSave up to $1,559 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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1.17ct Round

$329 AUD