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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 $1,882 USD
As of October 29, 2026
Save $7,738 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,620 USD 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 $1,882 to $9,620, a $7,738 spread on the same certified stone. Brilliant Earth lists it at $9,620. 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: $9,620 USD|Low: $1,807 USD|High: $10,320 USD|Avg: $4,375 USD|-6.8%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 4$1,882 USD
Retailer 12$2,048 USD
Retailer 8$2,183 USD
Retailer 14$2,183 USD
Retailer 18$2,321 USD
Retailer 10$2,346 USD
Retailer 17$2,350 USD
Retailer 2$2,990 USD
Retailer 6$3,190 USD
Retailer 7$3,422 USD
Retailer 21$3,585 USD
Retailer 16$3,842 USD
Retailer 9$4,092 USD
Retailer 13$5,070 USD
Retailer 19$5,883 USD
Retailer 20$6,240 USD
Retailer 15$6,269 USD
Retailer 11$7,648 USD
Retailer 5$8,096 USD
Retailer 3$8,870 USD
Brilliant Earth$9,620 USD

31 data points across 21 retailers

22 retailers$1,882 USD to $9,620 USD

A
Cheapest Retailer
-
$1,882 USD
A
Retailer 2
-
$2,048 USD
View
A
Retailer 3
-
$2,183 USD
View
Retailer 4
-
$2,183 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$2,321 USD
View
Final sale: no returns
A
Retailer 6
-
$2,346 USD
View
A
Retailer 7
-
$2,350 USD
View
A
Retailer 8
-
$2,990 USD
£2,354 GBP
View
A
Retailer 9
-
$3,190 USD
View
A
Retailer 10
-
$3,422 USD
View
A
Retailer 11
-
$3,585 USD
View
B+
Retailer 12
-
$3,842 USD
€3,659 EUR
View
B+
Retailer 13
-
$4,092 USD
View
B+
Retailer 14
-
$5,070 USD
ZAR 81,903 ZAR
View
B+
Retailer 15
-
$5,681 USD
View
B+
Retailer 16
-
$5,883 USD
View
B+
Retailer 17
-
$6,240 USD
View
B+
Retailer 18
-
$6,269 USD
£4,936 GBP
View
B+
Retailer 19
-
$7,648 USD
View
B
Retailer 20
-
$8,096 USD
SGD 10,941 SGD
View
B
Retailer 21
-
$8,870 USD
View
Most Expensive
B
Brilliant Earth
21419297A · Oct 29
$9,620 USD
View
21 more retailers have this diamond
Prices start from $1,882 USDSave up to $7,738 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.

A
3.50ct Round
$1,882 USD