Radiant|Lab Grown|IGI

3.10ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG768630427

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG768630427

Diamond specifications and retailer prices

From $2,382 USD
As of October 29, 2026
Save $8,988 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,370 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant 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 LG768630427 or 768630427. Listed at 14 retailers as of October 29, 2026, with prices from $2,382 to $11,370, a $8,988 spread on the same certified stone. Brilliant Earth lists it at $11,370. 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

3.10
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630427
Dimensions10.55 × 7.31 × 4.77 mm
L/W Ratio1.44
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
10.55 mm7.31 mm3.10 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630427
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 33.6°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
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: $11,370 USD|Low: $2,382 USD|High: $11,600 USD|Avg: $5,999 USD|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 12$2,382 USD
Retailer 14$2,739 USD
Retailer 7$3,072 USD
Retailer 13$3,378 USD
Retailer 11$3,382 USD
Retailer 6$3,723 USD
Retailer 2$5,202 USD
Retailer 10$5,865 USD
Retailer 3$6,037 USD
Retailer 9$6,365 USD
Retailer 8$6,433 USD
Retailer 5$7,844 USD
Retailer 4$8,662 USD
Brilliant Earth$11,370 USD

39 data points across 14 retailers

14 retailers$2,382 USD to $11,370 USD

A
Cheapest Retailer
-
$2,382 USD
A
Retailer 2
-
$2,739 USD
HK$21,400 HKD
View
A
Retailer 3
-
$3,072 USD
£2,419 GBP
View
A
Retailer 4
-
$3,378 USD
View
A
Retailer 5
-
$3,382 USD
View
B+
Retailer 6
-
$3,723 USD
€3,546 EUR
View
B+
Retailer 7
-
$5,202 USD
ZAR 84,039 ZAR
View
B+
Retailer 8
-
$5,865 USD
View
B+
Retailer 9
-
$6,037 USD
View
B+
Retailer 10
-
$6,365 USD
View
B+
Retailer 11
-
$6,433 USD
£5,065 GBP
View
B
Retailer 12
-
$7,844 USD
View
B
Retailer 13
-
$8,662 USD
View
Most Expensive
B
Brilliant Earth
18899987A · Oct 29
$11,370 USD
View
13 more retailers have this diamond
Prices start from $2,382 USDSave up to $8,988 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
3.10ct Radiant
$2,382 USD