Marquise|Lab Grown|IGI

5.09ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG843645109

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645109

Diamond specifications and retailer prices

From $1,159 AUD

$812 USD

As of October 30, 2026

Save $5,248 AUD (82%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $13,170 AUD at Brilliant Earth · As of October 22, 2026

View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843645109 or 843645109. Listed at 25 retailers as of October 28, 2026, with a 453% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.09

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle30.5°

Pavilion angle39.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843645109

Dimensions17.99 × 9.24 × 5.47 mm

L/W Ratio1.95

Girdle conditionFaceted

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 LG843645109

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 30

Current: $13,170 AUD|Low: $1,159 AUD|High: $13,170 AUD|Avg: $3,290 AUD

Brilliant Earth

Retailer 2

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November 2, 2026

Retailer 8$1,159 AUD

Retailer 25$1,260 AUD

Retailer 11$1,297 AUD

Retailer 3$1,343 AUD

Retailer 5$1,343 AUD

Retailer 6$1,438 AUD

Retailer 7$1,598 AUD

Retailer 17$1,886 AUD

Retailer 10$1,988 AUD

Retailer 23$1,999 AUD

Retailer 2$2,062 AUD

Retailer 20$2,690 AUD

Retailer 19$2,723 AUD

Retailer 21$2,729 AUD

Retailer 4$3,038 AUD

Retailer 16$3,196 AUD

Retailer 9$3,777 AUD

Retailer 12$4,204 AUD

Retailer 14$4,279 AUD

Retailer 15$4,649 AUD

Retailer 18$4,720 AUD

Retailer 24$5,043 AUD

Retailer 13$5,713 AUD

Retailer 22$6,407 AUD

Brilliant Earth$13,170 AUD

20 data points across 25 retailers

25 retailers$1,159 AUD to $6,407 AUD

Cheapest Retailer

$1,159 AUD

$812 USD

Retailer 2

$1,260 AUD

$883 USD

View

Retailer 3

$1,297 AUD

$909 USD

View

Final sale: no returns

Retailer 4

$1,343 AUD

$941 USD

View

Retailer 5

$1,343 AUD

$941 USD

View

Price last confirmed 16 days ago

Retailer 6

$1,438 AUD

£794 GBP

View

Price last confirmed 16 days ago

Retailer 7

$1,598 AUD

$1,120 USD

View

B+

Retailer 8

$1,886 AUD

$1,322 USD

View

Retailer 9

$1,988 AUD

$1,393 USD

View

Retailer 10

$1,999 AUD

€1,334 EUR

View

Retailer 11

$2,062 AUD

£1,138 GBP

View

Retailer 12

$2,690 AUD

$1,885 USD

View

B+

Retailer 13

$2,723 AUD

View

Retailer 14

$2,729 AUD

ZAR 30,901 ZAR

View

B+

Retailer 15

$3,038 AUD

$2,129 USD

View

Retailer 16

$3,196 AUD

$2,240 USD

View

Price last confirmed 9 days ago

B+

Retailer 17

$3,777 AUD

$2,647 USD

View

B+

Retailer 18

$4,204 AUD

$2,946 USD

View

B+

Retailer 19

$4,279 AUD

$2,999 USD

View

Retailer 20

$4,649 AUD

$3,258 USD

View

Retailer 21

$4,720 AUD

$3,308 USD

View

Retailer 22

$5,043 AUD

£2,783 GBP

View

Retailer 23

$5,713 AUD

View

Retailer 24

$6,407 AUD

$4,490 USD

View

Most Expensive

Brilliant Earth

21738897A · Oct 22

$13,170 AUD

$9,230 USD

View

Price last confirmed 11 days ago

24 more retailers have this diamond

Prices start from $1,159 AUDSave up to $5,248 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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