Round|Lab Grown|GIA

5.09ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 2526568503

Certificate GIA 2526568503

Diamond specifications and retailer prices

From $66,875 NZD

$37,691 USD

As of October 31, 2026

Save $5,240 NZD (7%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $72,115 NZD at William & Sons Jewelers · As of October 31, 2026

View at William & Sons Jewelers

About this 5.09ct lab-grown round diamond

This 5.09ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2526568503. Listed at 15 retailers as of October 31, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 2526568503

Dimensions11.11 × 11.05 × 6.80 mm

L/W Ratio1.01

Star length50%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2526568503

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: $94,828 NZD|Low: $36,706 NZD|High: $470,722 NZD|Avg: $125,392 NZD|-5.2%

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

William & Sons Jewelers

November 1, 2026

Retailer 7$36,706 NZD

Retailer 8$43,350 NZD

Retailer 6$58,806 NZD

Retailer 14$62,151 NZD

Retailer 5$66,875 NZD

Retailer 10$67,929 NZD

Retailer 12$69,734 NZD

Retailer 13$71,522 NZD

William & Sons Jewelers$72,115 NZD

Retailer 1$94,828 NZD

Retailer 2$121,884 NZD

Retailer 9$140,104 NZD

Retailer 4$140,104 NZD

Retailer 15$166,850 NZD

Retailer 16$263,157 NZD

Retailer 11$273,349 NZD

Retailer 3$310,829 NZD

29 data points across 17 retailers

15 retailers$66,875 NZD to $72,115 NZD

Retailer 1

$36,706 NZD

$20,687 USD

Price last confirmed 112 days ago

Retailer 2

$62,151 NZD

£27,582 GBP

View

Price last confirmed 30 days ago

Retailer 3

$64,388 NZD

$36,289 USD

View

Price last confirmed 41 days ago

Retailer 4

$64,388 NZD

$36,289 USD

View

Price last confirmed 40 days ago

Retailer 5

$66,875 NZD

$37,691 USD

View

Retailer 6

$67,929 NZD

$38,285 USD

View

Retailer 7

$69,734 NZD

$39,302 USD

View

B+

Retailer 8

$71,522 NZD

$40,310 USD

View

Most Expensive

William & Sons Jewelers

cert_2526568503 · Oct 31

$72,115 NZD

$40,644 USD

View

Final sale: no returns

8 more retailers have this diamond

Prices start from $66,875 NZDSave up to $5,240 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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B+

5.09ct Round

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