Round|Lab Grown|IGI

5.71ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG770665499

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770665499

Diamond specifications and retailer prices

From $2,480 NZD

$1,398 USD

As of October 29, 2026

Save $13,098 NZD (84%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $15,578 NZD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 5.71ct lab-grown round diamond

This 5.71ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770665499 or 770665499. Listed at 24 retailers as of October 29, 2026, with prices from $2,480 to $15,578, a $13,098 spread on the same certified stone. Brilliant Earth lists it at $15,578. 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

5.71

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.8°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG770665499

Dimensions11.53 × 11.60 × 6.88 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG770665499

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: $15,578 NZD|Low: $2,480 NZD|High: $28,318 NZD|Avg: $6,392 NZD|-45.0%

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 11$2,480 NZD

Retailer 2$2,699 NZD

Retailer 18$2,777 NZD

Retailer 4$2,878 NZD

Retailer 7$2,999 NZD

Retailer 21$3,458 NZD

Retailer 15$3,778 NZD

Retailer 17$4,045 NZD

Retailer 10$4,116 NZD

Retailer 13$4,757 NZD

Retailer 3$5,203 NZD

Retailer 5$5,394 NZD

Retailer 19$5,847 NZD

Retailer 12$6,080 NZD

Retailer 6$6,341 NZD

Retailer 8$7,755 NZD

Retailer 20$8,263 NZD

Retailer 9$10,122 NZD

Retailer 16$10,468 NZD

Retailer 14$10,619 NZD

Brilliant Earth$15,578 NZD

25 data points across 21 retailers

24 retailers$2,480 NZD to $15,578 NZD

Cheapest Retailer

$2,480 NZD

$1,398 USD

Retailer 2

$2,699 NZD

$1,521 USD

View

Retailer 3

$2,777 NZD

$1,565 USD

View

Final sale: no returns

Retailer 4

$2,878 NZD

$1,622 USD

View

Retailer 5

$2,995 NZD

$1,688 USD

View

Price last confirmed 18 days ago

Retailer 6

$2,999 NZD

$1,690 USD

View

Retailer 7

$3,458 NZD

$1,949 USD

View

B+

Retailer 8

$3,778 NZD

£1,677 GBP

View

B+

Retailer 9

$4,045 NZD

£1,795 GBP

View

B+

Retailer 10

$4,116 NZD

$2,320 USD

View

B+

Retailer 11

$4,757 NZD

$2,681 USD

View

B+

Retailer 12

$5,203 NZD

€2,793 EUR

View

B+

Retailer 13

$5,394 NZD

$3,040 USD

View

Retailer 14

$5,435 NZD

$3,063 USD

View

Price last confirmed 14 days ago

B+

Retailer 15

$5,847 NZD

ZAR 53,240 ZAR

View

Retailer 16

$6,080 NZD

A$5,272 AUD

View

Price last confirmed 8 days ago

Retailer 17

$6,341 NZD

$3,574 USD

View

Retailer 18

$7,445 NZD

$4,196 USD

View

Retailer 19

$7,755 NZD

$4,371 USD

View

Retailer 20

$8,263 NZD

£3,667 GBP

View

Retailer 21

$10,122 NZD

$5,705 USD

View

Retailer 22

$10,468 NZD

$5,900 USD

View

Retailer 23

$10,619 NZD

$5,985 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

17632366A · Oct 30

$15,578 NZD

$8,780 USD

View

23 more retailers have this diamond

Prices start from $2,480 NZDSave up to $13,098 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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5.71ct Round

$2,480 NZD