Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 5473905191

Certificate GIA 5473905191

Diamond specifications and retailer prices

From $13,046 NZD

$7,353 USD

As of October 29, 2026

Save $40,977 NZD (76%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $54,023 NZD at Taylor and Hart · As of October 30, 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 GIA 5473905191. Listed at 18 retailers as of October 29, 2026, with prices from $13,046 to $54,023, a $40,977 spread on the same certified stone. Taylor and Hart lists it at $54,023. 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 angle34°

Pavilion angle40.6°

OriginLab Grown

Grading LabGIA

CertificateGIA 5473905191

Dimensions10.67 × 10.62 × 6.49 mm

L/W Ratio1.00

Star length50%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 5473905191

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: $26,473 NZD|Low: $12,525 NZD|High: $85,291 NZD|Avg: $30,932 NZD|-38.4%

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

October 31, 2026

Retailer 15$13,046 NZD

Retailer 6$13,557 NZD

Retailer 4$13,568 NZD

Retailer 14$15,046 NZD

Retailer 2$15,135 NZD

Retailer 17$15,135 NZD

Retailer 13$16,270 NZD

Retailer 5$16,577 NZD

Retailer 3$18,786 NZD

Retailer 9$19,077 NZD

Retailer 1$26,473 NZD

Retailer 11$31,178 NZD

Retailer 12$36,775 NZD

Retailer 16$37,892 NZD

Retailer 10$38,645 NZD

Taylor and Hart$54,023 NZD

Retailer 7$81,405 NZD

Retailer 8$84,950 NZD

33 data points across 18 retailers

18 retailers$13,046 NZD to $54,023 NZD

Cheapest Retailer

$13,046 NZD

$7,353 USD

Retailer 2

$13,557 NZD

$7,641 USD

View

Retailer 3

$13,568 NZD

$7,647 USD

View

B+

Retailer 4

$15,046 NZD

$8,480 USD

View

B+

Retailer 5

$15,135 NZD

$8,530 USD

View

Retailer 6

$15,135 NZD

$8,530 USD

View

Price last confirmed 15 days ago

Retailer 7

$16,270 NZD

$9,170 USD

View

Price last confirmed 10 days ago

B+

Retailer 8

$16,577 NZD

$9,343 USD

View

B+

Retailer 9

$18,786 NZD

$10,588 USD

View

B+

Retailer 10

$26,473 NZD

€14,210 EUR

View

B+

Retailer 11

$31,178 NZD

£13,836 GBP

View

Retailer 12

$32,782 NZD

$18,476 USD

View

Retailer 13

$36,775 NZD

A$31,887 AUD

View

Price last confirmed 9 days ago

Retailer 14

$37,892 NZD

$21,356 USD

View

Retailer 15

$38,645 NZD

$21,781 USD

View

Most Expensive

Taylor and Hart

EB407M2 · Oct 30

$54,023 NZD

$30,448 USD

View

15 more retailers have this diamond

Prices start from $13,046 NZDSave up to $40,977 NZD

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

$13,046 NZD