Radiant|Lab Grown|IGI

15.56ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG617483569

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG617483569

Diamond specifications and retailer prices

From $4,052 AUD

$2,846 USD

As of November 2, 2026

Save $12,325 AUD (75%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $16,376 AUD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 15.56ct lab-grown radiant diamond

This 15.56ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617483569 or 617483569. Listed at 16 retailers as of October 31, 2026, with prices from $4,052 to $16,376, a $12,325 spread on the same certified stone. Taylor and Hart lists it at $16,376. 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

15.56

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG617483569

Dimensions16.35 × 11.36 × 7.63 mm

L/W Ratio1.44

Culet sizeLong

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG617483569

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 2

Current: $7,459 AUD|Low: $3,889 AUD|High: $32,942 AUD|Avg: $9,298 AUD|+2.8%

Retailer 1

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

Taylor and Hart

November 2, 2026

Retailer 17$4,052 AUD

Retailer 15$4,409 AUD

Retailer 4$4,536 AUD

Retailer 6$4,699 AUD

Retailer 12$4,699 AUD

Retailer 16$4,705 AUD

Retailer 7$5,512 AUD

Retailer 2$6,164 AUD

Retailer 13$6,460 AUD

Retailer 11$7,276 AUD

Retailer 3$7,310 AUD

Retailer 9$7,353 AUD

Retailer 1$7,459 AUD

Retailer 10$8,707 AUD

Retailer 5$13,082 AUD

Retailer 14$16,080 AUD

Taylor and Hart$16,376 AUD

Retailer 8$32,942 AUD

34 data points across 18 retailers

16 retailers$4,052 AUD to $16,376 AUD

Cheapest Retailer

$4,052 AUD

$2,846 USD

Retailer 2

$4,409 AUD

$3,097 USD

View

Retailer 3

$4,536 AUD

$3,186 USD

View

Final sale: no returns

Retailer 4

$4,699 AUD

$3,301 USD

View

Retailer 5

$4,699 AUD

$3,301 USD

View

Price last confirmed 20 days ago

Retailer 6

$4,705 AUD

$3,305 USD

View

B+

Retailer 7

$5,512 AUD

$3,872 USD

View

B+

Retailer 8

$6,164 AUD

$4,330 USD

View

B+

Retailer 9

$6,460 AUD

$4,538 USD

View

B+

Retailer 10

$7,276 AUD

ZAR 82,569 ZAR

View

B+

Retailer 11

$7,310 AUD

$5,135 USD

View

B+

Retailer 12

$7,459 AUD

€4,990 EUR

View

B+

Retailer 13

$8,707 AUD

View

Retailer 14

$13,082 AUD

$9,189 USD

View

Retailer 15

$16,080 AUD

$11,295 USD

View

Most Expensive

Taylor and Hart

L7V1QYQ · Oct 31

$16,376 AUD

$11,504 USD

View

15 more retailers have this diamond

Prices start from $4,052 AUDSave up to $12,325 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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15.56ct Radiant

$4,052 AUD