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 $1,729 SGD

$1,352 USD

As of November 3, 2026

Save $6,904 SGD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $8,633 SGD 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 $1,729 to $8,633, a $6,904 spread on the same certified stone. Brilliant Earth lists it at $8,633. 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

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3

Current: $8,633 SGD|Low: $1,562 SGD|High: $8,633 SGD|Avg: $3,803 SGD

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

November 3, 2026

Retailer 10$1,608 SGD

Retailer 2$1,729 SGD

Retailer 11$1,799 SGD

Retailer 5$1,865 SGD

Retailer 16$2,128 SGD

Retailer 19$2,226 SGD

Retailer 8$2,498 SGD

Retailer 3$2,601 SGD

Retailer 18$2,794 SGD

Retailer 13$2,816 SGD

Retailer 9$2,956 SGD

Retailer 12$3,243 SGD

Retailer 15$3,473 SGD

Retailer 7$3,495 SGD

Retailer 4$6,000 SGD

Retailer 14$6,102 SGD

Retailer 17$6,173 SGD

Retailer 6$6,925 SGD

Brilliant Earth$8,633 SGD

29 data points across 19 retailers

18 retailers$1,729 SGD to $8,633 SGD

Retailer 1

$1,608 SGD

$1,257 USD

Price last confirmed 7 days ago

Retailer 2

$1,729 SGD

$1,352 USD

View

Retailer 3

$1,865 SGD

$1,458 USD

View

Price last confirmed 9 days ago

Retailer 4

$2,128 SGD

HK$13,000 HKD

View

Retailer 5

$2,226 SGD

£1,370 GBP

View

Price last confirmed 7 days ago

Retailer 6

$2,498 SGD

$1,953 USD

View

Price last confirmed 7 days ago

Retailer 7

$2,601 SGD

£1,602 GBP

View

Price last confirmed 7 days ago

Retailer 8

$2,794 SGD

$2,185 USD

View

Price last confirmed 6 days ago

B+

Retailer 9

$2,816 SGD

€2,097 EUR

View

Retailer 10

$2,956 SGD

$2,311 USD

View

Price last confirmed 7 days ago

B+

Retailer 11

$3,243 SGD

$2,536 USD

View

B+

Retailer 12

$3,473 SGD

A$4,178 AUD

View

Retailer 13

$3,495 SGD

$2,733 USD

View

Price last confirmed 9 days ago

Retailer 14

$6,000 SGD

£3,694 GBP

View

Price last confirmed 7 days ago

Retailer 15

$6,102 SGD

$4,771 USD

View

Retailer 16

$6,173 SGD

View

Retailer 17

$6,925 SGD

$5,415 USD

View

Price last confirmed 9 days ago

Most Expensive

Brilliant Earth

18294262A · Nov 2

$8,633 SGD

$6,750 USD

View

17 more retailers have this diamond

Prices start from $1,729 SGDSave up to $6,904 SGD

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

$1,729 SGD