Radiant|Lab Grown|IGI

6.31ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG842631333

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG842631333

Diamond specifications and retailer prices

From $1,613 NZD

$909 USD

As of October 30, 2026

Save $5,153 NZD (76%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $16,253 NZD at Helzberg Diamonds · As of October 13, 2026

View at Helzberg Diamonds

About this 6.31ct lab-grown radiant diamond

This 6.31ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842631333 or 842631333. Listed at 24 retailers as of October 30, 2026, with a 319% 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

6.31

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.9°

Pavilion angle33.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG842631333

Dimensions13.29 × 9.07 × 5.89 mm

L/W Ratio1.47

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 LG842631333

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: $2,679 NZD|Low: $1,613 NZD|High: $10,495 NZD|Avg: $4,118 NZD|-1.9%

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

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Retailer 16

Retailer 17

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Retailer 21

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Retailer 23

October 30, 2026

Retailer 17$1,613 NZD

Retailer 9$1,764 NZD

Retailer 12$1,806 NZD

Retailer 22$1,881 NZD

Retailer 16$1,909 NZD

Retailer 18$1,976 NZD

Retailer 8$2,191 NZD

Retailer 1$2,679 NZD

Retailer 11$2,738 NZD

Retailer 13$2,880 NZD

Retailer 20$2,896 NZD

Retailer 14$3,518 NZD

Retailer 3$3,639 NZD

Retailer 10$4,205 NZD

Retailer 7$5,041 NZD

Retailer 23$5,192 NZD

Retailer 5$5,287 NZD

Retailer 4$5,582 NZD

Retailer 19$6,284 NZD

Retailer 2$6,413 NZD

Retailer 21$6,501 NZD

Retailer 6$6,765 NZD

Retailer 15$10,495 NZD

17 data points across 23 retailers

24 retailers$1,613 NZD to $6,765 NZD

Cheapest Retailer

$1,613 NZD

$909 USD

Retailer 2

$1,764 NZD

$994 USD

View

Retailer 3

$1,806 NZD

$1,018 USD

View

Final sale: no returns

Retailer 4

$1,881 NZD

$1,060 USD

View

Retailer 5

$1,909 NZD

$1,076 USD

View

Price last confirmed 13 days ago

Retailer 6

$1,976 NZD

£877 GBP

View

Retailer 7

$2,191 NZD

$1,235 USD

View

B+

Retailer 8

$2,679 NZD

$1,510 USD

View

Retailer 9

$2,738 NZD

$1,543 USD

View

Retailer 10

$2,880 NZD

€1,546 EUR

View

Price last confirmed 7 days ago

Retailer 11

$2,896 NZD

£1,285 GBP

View

Retailer 12

$3,518 NZD

A$3,050 AUD

View

Price last confirmed 9 days ago

Retailer 13

$3,639 NZD

ZAR 33,132 ZAR

View

Retailer 14

$4,205 NZD

$2,370 USD

View

B+

Retailer 15

$5,041 NZD

$2,841 USD

View

B+

Retailer 16

$5,192 NZD

£2,304 GBP

View

B+

Retailer 17

$5,287 NZD

$2,980 USD

View

B+

Retailer 18

$5,582 NZD

$3,146 USD

View

B+

Retailer 19

$6,284 NZD

SGD 4,786 SGD

View

B+

Retailer 20

$6,413 NZD

£2,846 GBP

View

B+

Retailer 21

$6,501 NZD

$3,664 USD

View

B+

Retailer 22

$6,765 NZD

$3,813 USD

View

Retailer 23

$10,495 NZD

$5,915 USD

View

Price last confirmed 11 days ago

Most Expensive

Helzberg Diamonds

ZXZOKIMJHJJJ · Oct 13

$16,253 NZD

$9,160 USD

View

Price last confirmed 17 days ago

23 more retailers have this diamond

Prices start from $1,613 NZDSave up to $5,153 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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