Round|Lab Grown|IGI

5.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG605378035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605378035

Diamond specifications and retailer prices

From $11,756 NZD

£5,217 GBP

As of October 30, 2026

Save $65,053 NZD (85%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $76,809 NZD at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605378035 or 605378035. Listed at 25 retailers as of October 29, 2026, with prices from $11,756 to $76,809, a $65,053 spread on the same certified stone. Do Amore Diamonds lists it at $76,809. 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

5.05

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG605378035

Dimensions11.00 × 11.07 × 6.74 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG605378035

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 30

Current: $43,222 NZD|Low: $9,847 NZD|High: $112,562 NZD|Avg: $34,166 NZD|-19.5%

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

October 30, 2026

Retailer 8$11,756 NZD

Retailer 5$12,899 NZD

Retailer 6$13,786 NZD

Retailer 15$14,212 NZD

Retailer 14$16,412 NZD

Retailer 2$16,545 NZD

Retailer 9$19,336 NZD

Retailer 13$26,118 NZD

Retailer 11$29,415 NZD

Retailer 10$32,022 NZD

Retailer 12$32,871 NZD

Retailer 1$43,222 NZD

Retailer 3$45,568 NZD

Retailer 7$47,310 NZD

Retailer 4$112,562 NZD

40 data points across 15 retailers

25 retailers$11,756 NZD to $76,809 NZD

Cheapest Retailer

$11,756 NZD

£5,217 GBP

Retailer 2

$12,308 NZD

$6,937 USD

View

Price last confirmed 20 days ago

Retailer 3

$12,802 NZD

$7,215 USD

View

Price last confirmed 17 days ago

Retailer 4

$12,899 NZD

$7,270 USD

View

Retailer 5

$13,525 NZD

$7,623 USD

View

Retailer 6

$13,785 NZD

$7,769 USD

View

Final sale: no returns

Retailer 7

$13,786 NZD

$7,770 USD

View

Final sale: no returns

Retailer 8

$14,212 NZD

$8,010 USD

View

Retailer 9

$14,278 NZD

$8,047 USD

View

Price last confirmed 14 days ago

Retailer 10

$14,278 NZD

$8,047 USD

View

Price last confirmed 14 days ago

Retailer 11

$16,412 NZD

$9,250 USD

View

Retailer 12

$16,545 NZD

$9,325 USD

View

Retailer 13

$17,725 NZD

$9,990 USD

View

Price last confirmed 23 days ago

Retailer 14

$19,336 NZD

£8,581 GBP

View

Retailer 15

$26,118 NZD

$14,720 USD

View

B+

Retailer 16

$29,415 NZD

£13,054 GBP

View

B+

Retailer 17

$32,022 NZD

ZAR 291,560 ZAR

View

Retailer 18

$32,871 NZD

A$28,502 AUD

View

Price last confirmed 8 days ago

B+

Retailer 19

$39,298 NZD

$22,148 USD

View

B+

Retailer 20

$43,222 NZD

$24,360 USD

View

B+

Retailer 21

$45,568 NZD

$25,682 USD

View

Retailer 22

$47,310 NZD

$26,664 USD

View

Retailer 23

$52,095 NZD

$29,361 USD

View

Most Expensive

Do Amore Diamonds

27-1B61104DE · Oct 29

$76,809 NZD

$43,290 USD

View

23 more retailers have this diamond

Prices start from $11,756 NZDSave up to $65,053 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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5.05ct Round

$11,756 NZD