Radiant|Lab Grown|IGI

3.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG784645765

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

Certificate IGI LG784645765

Diamond specifications and retailer prices

From $2,057 USD
As of October 27, 2026
Save $12,093 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,150 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown radiant diamond

This 3.51ct 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 LG784645765 or 784645765. Listed at 14 retailers as of October 27, 2026, with prices from $2,057 to $14,150, a $12,093 spread on the same certified stone. Do Amore Diamonds lists it at $14,150. 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

3.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645765
Dimensions10.50 × 7.46 × 5.08 mm
L/W Ratio1.41
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
10.50 mm7.46 mm3.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645765
Side View
Table 65.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $14,150 USD|Low: $2,057 USD|High: $16,440 USD|Avg: $5,542 USD|-13.9%
Do Amore Diamonds
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 9$2,057 USD
Retailer 3$2,238 USD
Retailer 11$2,441 USD
Retailer 8$2,555 USD
Retailer 6$2,814 USD
Retailer 14$3,485 USD
Retailer 13$3,621 USD
Retailer 10$3,733 USD
Retailer 12$3,828 USD
Retailer 4$4,450 USD
Retailer 7$6,435 USD
Retailer 2$7,186 USD
Retailer 5$12,740 USD
Do Amore Diamonds$14,150 USD

33 data points across 14 retailers

14 retailers$2,057 USD to $14,150 USD

A+
Cheapest Retailer
-
$2,057 USD
A
Retailer 2
-
$2,238 USD
View
A
Retailer 3
-
$2,441 USD
View
A
Retailer 4
-
$2,555 USD
View
A
Retailer 5
-
$2,814 USD
View
Final sale: no returns
A
Retailer 6
-
$3,485 USD
View
A
Retailer 7
-
$3,621 USD
View
A
Retailer 8
-
$3,733 USD
View
A
Retailer 9
-
$3,828 USD
View
B+
Retailer 10
-
$4,450 USD
€4,238 EUR
View
B+
Retailer 11
-
$6,435 USD
View
B+
Retailer 12
-
$7,186 USD
£5,658 GBP
View
B
Retailer 13
-
$12,740 USD
View
Most Expensive
B
Do Amore Diamonds
27-CA01E9BDD · Oct 28
$14,150 USD
View
13 more retailers have this diamond
Prices start from $2,057 USDSave up to $12,093 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+
3.51ct Radiant
$2,057 USD