Round|Lab Grown|IGI

3.73ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG770636866

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636866

Diamond specifications and retailer prices

From €1,673 EUR

HK$14,600 HKD

As of October 31, 2026

Save €7,153 EUR (81%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: €8,826 EUR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.73ct lab-grown round diamond

This 3.73ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770636866 or 770636866. Listed at 19 retailers as of October 31, 2026, with prices from €1,673 to €8,826, a €7,153 spread on the same certified stone. Brilliant Earth lists it at €8,826. 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

3.73

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG770636866

Dimensions9.99 × 10.03 × 6.08 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG770636866

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 31

Current: €8,826 EUR|Low: €1,673 EUR|High: €13,041 EUR|Avg: €4,167 EUR|-32.3%

Brilliant Earth

Retailer 2

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Retailer 21

October 31, 2026

Retailer 15€1,673 EUR

Retailer 4€1,943 EUR

Retailer 16€2,072 EUR

Retailer 10€2,114 EUR

Retailer 8€2,177 EUR

Retailer 6€2,255 EUR

Retailer 9€2,255 EUR

Retailer 2€2,312 EUR

Retailer 14€2,381 EUR

Retailer 17€2,790 EUR

Retailer 20€2,990 EUR

Retailer 21€3,094 EUR

Retailer 7€3,099 EUR

Retailer 11€3,615 EUR

Retailer 18€3,750 EUR

Retailer 19€4,847 EUR

Retailer 5€5,217 EUR

Retailer 13€5,599 EUR

Retailer 3€6,190 EUR

Retailer 12€7,880 EUR

Brilliant Earth€8,826 EUR

36 data points across 21 retailers

19 retailers€1,673 EUR to €8,826 EUR

Cheapest Retailer

€1,673 EUR

HK$14,600 HKD

Retailer 2

€1,943 EUR

$2,171 USD

View

Price last confirmed 21 days ago

Retailer 3

€2,072 EUR

$2,315 USD

View

Retailer 4

€2,114 EUR

$2,362 USD

View

Price last confirmed 18 days ago

B+

Retailer 5

€2,177 EUR

$2,432 USD

View

Final sale: no returns

Retailer 6

€2,255 EUR

$2,519 USD

View

Price last confirmed 22 days ago

Retailer 7

€2,255 EUR

$2,519 USD

View

Price last confirmed 21 days ago

B+

Retailer 8

€2,312 EUR

View

B+

Retailer 9

€2,790 EUR

$3,117 USD

View

Retailer 10

€3,094 EUR

£2,722 GBP

View

Price last confirmed 18 days ago

Retailer 11

€3,099 EUR

$3,462 USD

View

Price last confirmed 22 days ago

Retailer 12

€3,615 EUR

$4,039 USD

View

Price last confirmed 19 days ago

B+

Retailer 13

€3,750 EUR

$4,189 USD

View

B+

Retailer 14

€4,847 EUR

SGD 7,317 SGD

View

Retailer 15

€5,217 EUR

ZAR 94,160 ZAR

View

Price last confirmed 22 days ago

B+

Retailer 16

€5,599 EUR

$6,255 USD

View

Retailer 17

€6,190 EUR

£5,445 GBP

View

Price last confirmed 21 days ago

Retailer 18

€7,880 EUR

$8,804 USD

View

Price last confirmed 18 days ago

Most Expensive

Brilliant Earth

19558575A · Oct 31

€8,826 EUR

$9,860 USD

View

18 more retailers have this diamond

Prices start from €1,673 EURSave up to €7,153 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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3.73ct Round

€1,673 EUR