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 HK$7,132 HKD

$909 USD

As of October 30, 2026

Save HK$22,627 HKD (76%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: HK$71,867 HKD 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 317% 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: HK$12,632 HKD|Low: HK$7,132 HKD|High: HK$46,407 HKD|Avg: HK$17,812 HKD|-4.4%

Retailer 1

Retailer 2

Retailer 3

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Retailer 7

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Retailer 10

Retailer 11

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Retailer 23

October 31, 2026

Retailer 2HK$7,132 HKD

Retailer 13HK$7,799 HKD

Retailer 23HK$7,987 HKD

Retailer 6HK$8,316 HKD

Retailer 16HK$8,442 HKD

Retailer 3HK$8,737 HKD

Retailer 12HK$9,650 HKD

Retailer 22HK$11,847 HKD

Retailer 21HK$12,020 HKD

Retailer 1HK$12,632 HKD

Retailer 14HK$12,736 HKD

Retailer 17HK$15,330 HKD

Retailer 9HK$16,091 HKD

Retailer 20HK$18,406 HKD

Retailer 19HK$22,274 HKD

Retailer 7HK$22,957 HKD

Retailer 11HK$23,380 HKD

Retailer 10HK$24,683 HKD

Retailer 4HK$27,787 HKD

Retailer 8HK$28,358 HKD

Retailer 5HK$28,748 HKD

Retailer 18HK$29,759 HKD

Retailer 15HK$46,407 HKD

17 data points across 23 retailers

24 retailersHK$7,132 HKD to HK$29,759 HKD

Cheapest Retailer

HK$7,132 HKD

$909 USD

Retailer 2

HK$7,799 HKD

$994 USD

View

Retailer 3

HK$7,987 HKD

$1,018 USD

View

Final sale: no returns

Retailer 4

HK$8,316 HKD

$1,060 USD

View

Retailer 5

HK$8,442 HKD

$1,076 USD

View

Price last confirmed 14 days ago

Retailer 6

HK$8,737 HKD

£877 GBP

View

Retailer 7

HK$9,650 HKD

$1,230 USD

View

B+

Retailer 8

HK$11,847 HKD

$1,510 USD

View

Retailer 9

HK$12,020 HKD

$1,532 USD

View

Retailer 10

HK$12,632 HKD

£1,268 GBP

View

Retailer 11

HK$12,736 HKD

€1,546 EUR

View

Price last confirmed 8 days ago

Retailer 12

HK$15,330 HKD

A$3,006 AUD

View

Retailer 13

HK$16,091 HKD

ZAR 33,132 ZAR

View

Retailer 14

HK$18,406 HKD

$2,346 USD

View

B+

Retailer 15

HK$22,274 HKD

$2,839 USD

View

B+

Retailer 16

HK$22,957 HKD

£2,304 GBP

View

B+

Retailer 17

HK$23,380 HKD

$2,980 USD

View

B+

Retailer 18

HK$24,683 HKD

$3,146 USD

View

B+

Retailer 19

HK$27,787 HKD

SGD 4,786 SGD

View

B+

Retailer 20

HK$28,358 HKD

£2,846 GBP

View

B+

Retailer 21

HK$28,748 HKD

$3,664 USD

View

B+

Retailer 22

HK$29,759 HKD

$3,793 USD

View

Retailer 23

HK$46,407 HKD

$5,915 USD

View

Price last confirmed 12 days ago

Most Expensive

Helzberg Diamonds

ZXZOKIMJHJJJ · Oct 13

HK$71,867 HKD

$9,160 USD

View

Price last confirmed 18 days ago

23 more retailers have this diamond

Prices start from HK$7,132 HKDSave up to HK$22,627 HKD

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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