Round|Lab Grown|IGI

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG760560161

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760560161

Diamond specifications and retailer prices

From $10,096 AUD

$7,092 USD

As of October 31, 2026

Save $10,090 AUD (50%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $27,639 AUD at Taylor and Hart · As of October 14, 2026

View at Taylor and Hart

About this 4.5ct lab-grown round diamond

This 4.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760560161 or 760560161. Listed at 21 retailers as of October 30, 2026, with a 100% 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

4.50

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.3°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG760560161

Dimensions10.73 × 10.67 × 6.35 mm

L/W Ratio1.01

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG760560161

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Oct 31

Current: $14,144 AUD|Low: $6,052 AUD|High: $39,263 AUD|Avg: $15,704 AUD|-7.0%

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

Taylor and Hart

October 31, 2026

Retailer 3$7,269 AUD

Retailer 4$7,455 AUD

Retailer 13$7,773 AUD

Retailer 8$8,778 AUD

Retailer 2$8,932 AUD

Retailer 11$9,928 AUD

Retailer 10$10,096 AUD

Retailer 5$11,945 AUD

Retailer 6$13,503 AUD

Retailer 1$14,144 AUD

Retailer 16$14,488 AUD

Retailer 14$16,185 AUD

Retailer 12$16,285 AUD

Retailer 7$19,350 AUD

Retailer 9$20,187 AUD

Retailer 15$21,468 AUD

Taylor and Hart$27,639 AUD

37 data points across 17 retailers

21 retailers$10,096 AUD to $20,187 AUD

Retailer 1

$6,658 AUD

$4,677 USD

Price last confirmed 20 days ago

Retailer 2

$7,566 AUD

$5,315 USD

View

Price last confirmed 38 days ago

Retailer 3

$7,723 AUD

$5,425 USD

View

Price last confirmed 21 days ago

Retailer 4

$7,723 AUD

$5,425 USD

View

Price last confirmed 18 days ago

Retailer 5

$7,929 AUD

$5,570 USD

View

Price last confirmed 37 days ago

Retailer 6

$8,657 AUD

$6,081 USD

View

Price last confirmed 36 days ago

Retailer 7

$9,652 AUD

$6,780 USD

View

Price last confirmed 21 days ago

Retailer 8

$9,864 AUD

$6,929 USD

View

Price last confirmed 15 days ago

Retailer 9

$9,928 AUD

£5,491 GBP

View

Price last confirmed 16 days ago

B+

Retailer 10

$10,096 AUD

$7,092 USD

View

Retailer 11

$10,419 AUD

$7,319 USD

View

Price last confirmed 40 days ago

Retailer 12

$11,945 AUD

$8,391 USD

View

Price last confirmed 17 days ago

Retailer 13

$13,503 AUD

$9,485 USD

View

Price last confirmed 23 days ago

B+

Retailer 14

$14,144 AUD

€9,462 EUR

View

Retailer 15

$14,488 AUD

$10,177 USD

View

Price last confirmed 16 days ago

Retailer 16

$16,185 AUD

£8,952 GBP

View

Price last confirmed 20 days ago

Retailer 17

$16,285 AUD

ZAR 184,799 ZAR

View

Price last confirmed 16 days ago

Retailer 18

$19,350 AUD

View

Price last confirmed 32 days ago

B+

Retailer 19

$20,187 AUD

$14,180 USD

View

Retailer 20

$21,468 AUD

$15,080 USD

View

Price last confirmed 17 days ago

Most Expensive

Taylor and Hart

T4GZB51 · Oct 14

$27,639 AUD

$19,415 USD

View

Price last confirmed 17 days ago

20 more retailers have this diamond

Prices start from $10,096 AUDSave up to $10,090 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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4.50ct Round

$10,096 AUD