Radiant|Lab Grown|IGI

3.31ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG804659527

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

Certificate IGI LG804659527

Diamond specifications and retailer prices

From $2,526 USD
As of October 29, 2026
Save $9,614 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.31ct lab-grown radiant diamond

This 3.31ct 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 LG804659527 or 804659527. Listed at 14 retailers as of October 29, 2026, with prices from $2,526 to $12,140, a $9,614 spread on the same certified stone. Brilliant Earth lists it at $12,140. 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

3.31
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659527
Dimensions10.50 × 7.65 × 4.95 mm
L/W Ratio1.37
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
10.50 mm7.65 mm3.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659527
Side View
Table 62.0%Crown 43.6°Girdle: MediumPavilion 33.6°Culet: NoneDepth 64.7%

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: $12,140 USD|Low: $2,526 USD|High: $12,140 USD|Avg: $6,207 USD|+1.1%
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 11$2,526 USD
Retailer 13$2,918 USD
Retailer 7$3,278 USD
Retailer 10$3,608 USD
Retailer 12$3,801 USD
Retailer 6$3,976 USD
Retailer 2$5,549 USD
Retailer 9$6,263 USD
Retailer 3$6,439 USD
Retailer 8$6,490 USD
Retailer 14$6,834 USD
Retailer 5$8,360 USD
Retailer 4$9,248 USD
Brilliant Earth$12,140 USD

39 data points across 14 retailers

14 retailers$2,526 USD to $12,140 USD

A
Cheapest Retailer
-
$2,526 USD
A
Retailer 2
-
$2,918 USD
HK$22,800 HKD
View
A
Retailer 3
-
$3,278 USD
£2,581 GBP
View
A
Retailer 4
-
$3,608 USD
View
A
Retailer 5
-
$3,801 USD
View
B+
Retailer 6
-
$3,976 USD
€3,787 EUR
View
B+
Retailer 7
-
$5,549 USD
ZAR 89,649 ZAR
View
B+
Retailer 8
-
$6,263 USD
View
B+
Retailer 9
-
$6,439 USD
View
B+
Retailer 10
-
$6,490 USD
View
B+
Retailer 11
-
$6,834 USD
£5,381 GBP
View
B
Retailer 12
-
$8,360 USD
View
B
Retailer 13
-
$9,248 USD
View
Most Expensive
B
Brilliant Earth
20674141A · Oct 29
$12,140 USD
View
13 more retailers have this diamond
Prices start from $2,526 USDSave up to $9,614 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
3.31ct Radiant
$2,526 USD