Oval|Lab Grown|IGI

16.78ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG586343113

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586343113

Diamond specifications and retailer prices

From €3,500 EUR

£3,079 GBP

As of October 27, 2026

Save €21,867 EUR (86%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €25,367 EUR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 16.78ct lab-grown oval diamond

This 16.78ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG586343113 or 586343113. Listed at 12 retailers as of October 27, 2026, with prices from €3,500 to €25,367, a €21,867 spread on the same certified stone. Brilliant Earth lists it at €25,367. 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

16.78

Carat

Color

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG586343113

Dimensions20.92 × 14.57 × 9.05 mm

L/W Ratio1.44

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 LG586343113

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 27

Current: €27,184 EUR|Low: €3,500 EUR|High: €68,442 EUR|Avg: €20,202 EUR

Brilliant Earth

Retailer 2

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Retailer 19

November 1, 2026

Retailer 17€3,500 EUR

Retailer 12€4,853 EUR

Retailer 18€6,315 EUR

Retailer 13€6,360 EUR

Retailer 16€6,798 EUR

Retailer 6€6,849 EUR

Retailer 2€6,860 EUR

Retailer 8€7,149 EUR

Retailer 5€9,216 EUR

Retailer 4€10,817 EUR

Retailer 19€12,053 EUR

Retailer 7€12,128 EUR

Retailer 14€19,173 EUR

Retailer 3€21,388 EUR

Retailer 15€23,344 EUR

Brilliant Earth€27,184 EUR

Retailer 9€49,158 EUR

Retailer 11€49,158 EUR

Retailer 10€68,442 EUR

10 data points across 19 retailers

12 retailers€3,500 EUR to €25,367 EUR

Cheapest Retailer

€3,500 EUR

£3,079 GBP

Retailer 2

€4,853 EUR

$5,422 USD

View

B+

Retailer 3

€6,315 EUR

$7,055 USD

View

B+

Retailer 4

€6,360 EUR

$7,105 USD

View

B+

Retailer 5

€6,798 EUR

$7,595 USD

View

B+

Retailer 6

€6,860 EUR

£6,035 GBP

View

Retailer 7

€10,817 EUR

$12,085 USD

View

Retailer 8

€12,053 EUR

$13,466 USD

View

Retailer 9

€19,173 EUR

$21,420 USD

View

Retailer 10

€21,388 EUR

$23,895 USD

View

Retailer 11

€23,344 EUR

$26,080 USD

View

Most Expensive

Brilliant Earth

22301118A · Oct 31

€25,367 EUR

$28,340 USD

View

11 more retailers have this diamond

Prices start from €3,500 EURSave up to €21,867 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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16.78ct Oval

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