Round|Lab Grown|IGI

1.71ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG499105171

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499105171

Diamond specifications and retailer prices

From €1,128 EUR

$1,260 USD

As of October 29, 2026

Save €3,343 EUR (75%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €4,471 EUR at MOH London · As of October 29, 2026

View at MOH London

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499105171 or 499105171. Listed at 12 retailers as of October 29, 2026, with prices from €1,128 to €4,471, a €3,343 spread on the same certified stone. MOH London lists it at €4,471. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG499105171

Dimensions7.59 × 7.62 × 4.74 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG499105171

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: €4,471 EUR|Low: €1,128 EUR|High: €4,507 EUR|Avg: €2,170 EUR|+0.5%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 29, 2026

Retailer 5€1,128 EUR

Retailer 7€1,343 EUR

Retailer 10€1,461 EUR

Retailer 12€1,503 EUR

Retailer 8€1,557 EUR

Retailer 3€1,710 EUR

Retailer 4€2,114 EUR

Retailer 9€2,454 EUR

Retailer 6€2,753 EUR

Retailer 2€2,862 EUR

Retailer 11€2,919 EUR

MOH London€4,471 EUR

20 data points across 12 retailers

12 retailers€1,128 EUR to €4,471 EUR

Cheapest Retailer

€1,128 EUR

$1,260 USD

Retailer 2

€1,343 EUR

$1,500 USD

View

Retailer 3

€1,461 EUR

$1,632 USD

View

B+

Retailer 4

€1,503 EUR

$1,679 USD

View

Final sale: no returns

B+

Retailer 5

€1,557 EUR

$1,740 USD

View

Retailer 6

€1,557 EUR

$1,740 USD

View

Price last confirmed 18 days ago

B+

Retailer 7

€1,710 EUR

$1,910 USD

View

Retailer 8

€2,454 EUR

$2,742 USD

View

Retailer 9

€2,753 EUR

$3,076 USD

View

Retailer 10

€2,862 EUR

ZAR 51,664 ZAR

View

Retailer 11

€2,919 EUR

$3,261 USD

View

Most Expensive

MOH London

LG499105171 · Oct 29

€4,471 EUR

£3,933 GBP

View

11 more retailers have this diamond

Prices start from €1,128 EURSave up to €3,343 EUR

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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1.71ct Round

€1,128 EUR