Round|Lab Grown|IGI

9.58ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG778660622

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778660622

Diamond specifications and retailer prices

From $2,403 NZD

$1,352 USD

As of November 3, 2026

Save $9,594 NZD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $11,997 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 9.58ct lab-grown round diamond

This 9.58ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778660622 or 778660622. Listed at 18 retailers as of November 2, 2026, with prices from $2,403 to $11,997, a $9,594 spread on the same certified stone. Brilliant Earth lists it at $11,997. 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

9.58

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.1°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG778660622

Dimensions13.62 × 13.68 × 8.33 mm

L/W Ratio1.00

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG778660622

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: Nov 3

Current: $11,997 NZD|Low: $2,170 NZD|High: $11,997 NZD|Avg: $5,285 NZD

Brilliant Earth

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

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Retailer 19

November 3, 2026

Retailer 10$2,234 NZD

Retailer 2$2,403 NZD

Retailer 11$2,501 NZD

Retailer 5$2,591 NZD

Retailer 16$2,957 NZD

Retailer 19$3,093 NZD

Retailer 8$3,471 NZD

Retailer 3$3,615 NZD

Retailer 18$3,883 NZD

Retailer 13$3,913 NZD

Retailer 9$4,107 NZD

Retailer 12$4,507 NZD

Retailer 15$4,827 NZD

Retailer 7$4,857 NZD

Retailer 4$8,338 NZD

Retailer 14$8,479 NZD

Retailer 17$8,579 NZD

Retailer 6$9,624 NZD

Brilliant Earth$11,997 NZD

29 data points across 19 retailers

18 retailers$2,403 NZD to $11,997 NZD

Retailer 1

$2,234 NZD

$1,257 USD

Price last confirmed 7 days ago

Retailer 2

$2,403 NZD

$1,352 USD

View

Retailer 3

$2,591 NZD

$1,458 USD

View

Price last confirmed 9 days ago

Retailer 4

$2,957 NZD

HK$13,000 HKD

View

Retailer 5

$3,093 NZD

£1,370 GBP

View

Price last confirmed 7 days ago

Retailer 6

$3,471 NZD

$1,953 USD

View

Price last confirmed 7 days ago

Retailer 7

$3,615 NZD

£1,602 GBP

View

Price last confirmed 7 days ago

Retailer 8

$3,883 NZD

$2,185 USD

View

Price last confirmed 6 days ago

B+

Retailer 9

$3,913 NZD

€2,097 EUR

View

Retailer 10

$4,107 NZD

$2,311 USD

View

Price last confirmed 7 days ago

B+

Retailer 11

$4,507 NZD

$2,536 USD

View

B+

Retailer 12

$4,827 NZD

A$4,178 AUD

View

Retailer 13

$4,857 NZD

$2,733 USD

View

Price last confirmed 9 days ago

Retailer 14

$8,338 NZD

£3,694 GBP

View

Price last confirmed 7 days ago

Retailer 15

$8,479 NZD

$4,771 USD

View

Retailer 16

$8,579 NZD

SGD 6,523 SGD

View

Retailer 17

$9,624 NZD

$5,415 USD

View

Price last confirmed 9 days ago

Most Expensive

Brilliant Earth

18294262A · Nov 2

$11,997 NZD

$6,750 USD

View

17 more retailers have this diamond

Prices start from $2,403 NZDSave up to $9,594 NZD

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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9.58ct Round

$2,403 NZD