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Round|Lab Grown|IGI

3.50ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790661215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790661215

Diamond specifications and retailer prices

From €1,685 EUR
$1,882 USD
As of October 29, 2026
Save €6,926 EUR (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €8,611 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790661215 or 790661215. Listed at 22 retailers as of October 29, 2026, with prices from €1,685 to €8,611, a €6,926 spread on the same certified stone. Brilliant Earth lists it at €8,611. 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

3.50
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790661215
Dimensions9.69 × 9.65 × 6.01 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
Top View
9.69 mm9.65 mm3.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790661215
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €8,611 EUR|Low: €1,617 EUR|High: €9,237 EUR|Avg: €3,939 EUR|-6.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 31, 2026
Retailer 4€1,685 EUR
Retailer 12€1,833 EUR
Retailer 8€1,954 EUR
Retailer 14€1,954 EUR
Retailer 19€2,078 EUR
Retailer 10€2,100 EUR
Retailer 18€2,103 EUR
Retailer 2€2,677 EUR
Retailer 6€2,855 EUR
Retailer 7€3,063 EUR
Retailer 21€3,209 EUR
Retailer 17€3,439 EUR
Retailer 9€3,663 EUR
Retailer 15€4,538 EUR
Retailer 20€5,585 EUR
Retailer 13€5,597 EUR
Retailer 16€5,611 EUR
Retailer 11€6,845 EUR
Retailer 5€7,247 EUR
Retailer 3€7,939 EUR
Brilliant Earth€8,611 EUR

31 data points across 21 retailers

22 retailers€1,685 EUR to €8,611 EUR

A
Cheapest Retailer
-
€1,685 EUR
$1,882 USD
A
Retailer 2
-
€1,833 EUR
$2,048 USD
View
A
Retailer 3
-
€1,954 EUR
$2,183 USD
View
Retailer 4
-
€1,954 EUR
$2,183 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€2,078 EUR
$2,321 USD
View
Final sale: no returns
A
Retailer 6
-
€2,100 EUR
$2,346 USD
View
A
Retailer 7
-
€2,103 EUR
$2,350 USD
View
A
Retailer 8
-
€2,677 EUR
£2,355 GBP
View
A
Retailer 9
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€2,855 EUR
$3,190 USD
View
A
Retailer 10
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€3,063 EUR
$3,422 USD
View
A
Retailer 11
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€3,209 EUR
$3,585 USD
View
B+
Retailer 12
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€3,439 EUR
View
B+
Retailer 13
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€3,663 EUR
$4,092 USD
View
B+
Retailer 14
-
€4,538 EUR
ZAR 81,903 ZAR
View
B+
Retailer 15
-
€5,085 EUR
$5,681 USD
View
B+
Retailer 16
-
€5,585 EUR
$6,240 USD
View
B+
Retailer 17
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€5,597 EUR
$6,253 USD
View
B+
Retailer 18
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€5,611 EUR
£4,936 GBP
View
B+
Retailer 19
-
€6,845 EUR
$7,648 USD
View
B
Retailer 20
-
€7,247 EUR
SGD 10,941 SGD
View
B
Retailer 21
-
€7,939 EUR
$8,870 USD
View
Most Expensive
B
Brilliant Earth
21419297A · Oct 29
€8,611 EUR
$9,620 USD
View
21 more retailers have this diamond
Prices start from €1,685 EURSave up to €6,926 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.

A
3.50ct Round
€1,685 EUR