Radiant|Lab Grown|IGI

5.18ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG823614337

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG823614337

Diamond specifications and retailer prices

From $1,829 AUD

$1,285 USD

As of October 29, 2026

Save $6,107 AUD (77%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $7,937 AUD at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 5.18ct lab-grown radiant diamond

This 5.18ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823614337 or 823614337. Listed at 16 retailers as of October 28, 2026, with prices from $1,829 to $7,937, a $6,107 spread on the same certified stone. Rare Carat lists it at $7,937. 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

5.18

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.9°

Pavilion angle34.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823614337

Dimensions12.74 × 8.45 × 5.67 mm

L/W Ratio1.51

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 LG823614337

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 29

Current: $7,937 AUD|Low: $1,518 AUD|High: $14,962 AUD|Avg: $4,702 AUD|-0.6%

Rare Carat

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 30, 2026

Retailer 4$1,583 AUD

Retailer 12$1,751 AUD

Retailer 9$1,829 AUD

Retailer 7$2,440 AUD

Retailer 3$2,533 AUD

Retailer 10$2,752 AUD

Retailer 11$3,411 AUD

Retailer 13$3,639 AUD

Retailer 14$4,361 AUD

Retailer 5$4,909 AUD

Retailer 8$5,397 AUD

Retailer 6$5,510 AUD

Retailer 2$7,844 AUD

Rare Carat$7,937 AUD

39 data points across 14 retailers

16 retailers$1,829 AUD to $7,937 AUD

Retailer 1

$1,424 AUD

$1,000 USD

Price last confirmed 33 days ago

Retailer 2

$1,498 AUD

$1,052 USD

View

Price last confirmed 33 days ago

Retailer 3

$1,583 AUD

$1,112 USD

View

Price last confirmed 19 days ago

Retailer 4

$1,751 AUD

£968 GBP

View

Price last confirmed 13 days ago

Retailer 5

$1,829 AUD

$1,285 USD

View

Retailer 6

$2,440 AUD

£1,350 GBP

View

Retailer 7

$2,533 AUD

$1,779 USD

View

Retailer 8

$2,752 AUD

€1,841 EUR

View

Price last confirmed 7 days ago

B+

Retailer 9

$3,411 AUD

$2,396 USD

View

B+

Retailer 10

$3,639 AUD

$2,556 USD

View

B+

Retailer 11

$4,361 AUD

£2,412 GBP

View

Retailer 12

$4,909 AUD

$3,448 USD

View

Retailer 13

$5,397 AUD

£2,985 GBP

View

Retailer 14

$5,510 AUD

$3,870 USD

View

Price last confirmed 12 days ago

Retailer 15

$7,844 AUD

$5,510 USD

View

Most Expensive

Rare Carat

748643 · Oct 28

$7,937 AUD

$5,575 USD

View

15 more retailers have this diamond

Prices start from $1,829 AUDSave up to $6,107 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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5.18ct Radiant

$1,829 AUD