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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784645097

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

Certificate IGI LG784645097

Diamond specifications and retailer prices

From $1,685 USD
As of October 27, 2026
Save $11,355 USD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,040 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645097 or 784645097. Listed at 14 retailers as of October 27, 2026, with prices from $1,685 to $13,040, a $11,355 spread on the same certified stone. Brilliant Earth lists it at $13,040. 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
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645097
Dimensions10.25 × 7.32 × 4.84 mm
L/W Ratio1.40
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
10.25 mm7.32 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645097
Side View
Table 62.0%Crown 40.3°Girdle: ThickPavilion 34.4°Culet: NoneDepth 66.1%

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 27
Current: $13,040 USD|Low: $1,685 USD|High: $16,600 USD|Avg: $5,191 USD|-3.0%
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 9$1,685 USD
Retailer 3$1,833 USD
Retailer 8$2,020 USD
Retailer 11$2,061 USD
Retailer 14$2,504 USD
Retailer 6$2,842 USD
Retailer 10$3,071 USD
Retailer 12$3,370 USD
Retailer 4$3,641 USD
Retailer 7$4,034 USD
Retailer 2$6,180 USD
Retailer 5$6,345 USD
Retailer 13$11,590 USD
Brilliant Earth$13,040 USD

32 data points across 14 retailers

14 retailers$1,685 USD to $13,040 USD

A
Cheapest Retailer
-
$1,685 USD
A
Retailer 2
-
$1,833 USD
View
A
Retailer 3
-
$2,020 USD
View
A
Retailer 4
-
$2,061 USD
View
A
Retailer 5
-
$2,504 USD
View
A
Retailer 6
-
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
$3,071 USD
View
A
Retailer 8
-
$3,370 USD
View
B+
Retailer 9
-
$3,641 USD
€3,468 EUR
View
B+
Retailer 10
-
$4,034 USD
View
B+
Retailer 11
-
$6,180 USD
£4,866 GBP
View
B+
Retailer 12
-
$6,345 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$11,590 USD
View
Most Expensive
B
Brilliant Earth
19065808Y · Oct 29
$13,040 USD
View
13 more retailers have this diamond
Prices start from $1,685 USDSave up to $11,355 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
$1,685 USD