Radiant|Lab Grown|IGI

3.71ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG585390358

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

Certificate IGI LG585390358

Diamond specifications and retailer prices

From $653 USD

HK$5,100 HKD

As of October 30, 2026

Save $1,859 USD (74%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $2,512 USD at MOH London · As of November 1, 2026

View at MOH London

About this 3.71ct lab-grown radiant diamond

This 3.71ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG585390358 or 585390358. Listed at 15 retailers as of October 30, 2026, with prices from $653 to $2,512, a $1,859 spread on the same certified stone. MOH London lists it at $2,512. 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

3.71

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.7°

Pavilion angle37.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG585390358

Dimensions10.90 × 7.61 × 5.22 mm

L/W Ratio1.43

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG585390358

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: $2,512 USD|Low: $595 USD|High: $6,064 USD|Avg: $1,995 USD|-9.8%

MOH London

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

Retailer 17

Retailer 18

November 1, 2026

Retailer 7$595 USD

Retailer 14$653 USD

Retailer 5$660 USD

Retailer 15$740 USD

Retailer 11$937 USD

Retailer 12$1,149 USD

Retailer 17$1,307 USD

Retailer 2$1,349 USD

Retailer 6$1,469 USD

Retailer 3$1,616 USD

Retailer 18$1,841 USD

Retailer 16$1,908 USD

Retailer 8$1,920 USD

Retailer 13$1,963 USD

Retailer 9$2,036 USD

MOH London$2,512 USD

Retailer 4$4,220 USD

Retailer 10$6,064 USD

27 data points across 18 retailers

15 retailers$653 USD to $2,512 USD

Retailer 1

$532 USD

Price last confirmed 32 days ago

Retailer 2

$596 USD

View

Price last confirmed 34 days ago

Retailer 3

$651 USD

View

Price last confirmed 33 days ago

Retailer 4

$653 USD

HK$5,100 HKD

View

Retailer 5

$740 USD

View

B+

Retailer 6

$937 USD

View

Retailer 7

$1,149 USD

View

Retailer 8

$1,307 USD

ZAR 21,108 ZAR

View

Retailer 9

$1,349 USD

View

Retailer 10

$1,576 USD

View

Price last confirmed 31 days ago

B+

Retailer 11

$1,616 USD

View

Retailer 12

$1,735 USD

View

Price last confirmed 31 days ago

B+

Retailer 13

$1,908 USD

SGD 2,578 SGD

View

B+

Retailer 14

$1,963 USD

View

Most Expensive

B+

MOH London

LG585390358 · Nov 1

$2,512 USD

£1,978 GBP

View

14 more retailers have this diamond

Prices start from $653 USDSave up to $1,859 USD

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.

Similar diamonds

3.71ct Radiant

$653 USD