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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800677578

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

Certificate IGI LG800677578

Diamond specifications and retailer prices

From $2,577 CAD
$1,841 USD
As of October 30, 2026
Save $15,674 CAD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,251 CAD 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 LG800677578 or 800677578. Listed at 14 retailers as of October 29, 2026, with prices from $2,577 to $18,251, a $15,674 spread on the same certified stone. Brilliant Earth lists it at $18,251. 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 angle40.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677578
Dimensions10.41 × 7.38 × 4.85 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
10.41 mm7.38 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677578
Side View
Table 62.0%Crown 40.1°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.7%

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 30
Current: $18,251 CAD|Low: $2,577 CAD|High: $23,233 CAD|Avg: $7,736 CAD|-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 30, 2026
Retailer 2$2,577 CAD
Retailer 3$2,816 CAD
Retailer 11$3,107 CAD
Retailer 13$3,130 CAD
Retailer 8$3,555 CAD
Retailer 5$3,978 CAD
Retailer 10$4,536 CAD
Retailer 12$4,705 CAD
Retailer 14$5,050 CAD
Retailer 4$5,559 CAD
Retailer 6$8,563 CAD
Retailer 9$9,474 CAD
Retailer 7$17,733 CAD
Brilliant Earth$18,251 CAD

32 data points across 14 retailers

14 retailers$2,577 CAD to $18,251 CAD

A+
Cheapest Retailer
-
$2,577 CAD
$1,841 USD
A
Retailer 2
-
$2,816 CAD
$2,012 USD
View
A
Retailer 3
-
$3,107 CAD
$2,220 USD
View
A
Retailer 4
-
$3,130 CAD
$2,236 USD
View
A
Retailer 5
-
$3,555 CAD
$2,540 USD
View
A
Retailer 6
-
$3,978 CAD
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
$4,536 CAD
$3,241 USD
View
A
Retailer 8
-
$4,705 CAD
$3,362 USD
View
A
Retailer 9
-
$5,050 CAD
$3,608 USD
View
B+
Retailer 10
-
$5,559 CAD
€3,783 EUR
View
Retailer 11
-
$8,563 CAD
$6,118 USD
View
Price last confirmed 87 days ago
B+
Retailer 12
-
$9,474 CAD
£5,330 GBP
View
B
Retailer 13
-
$17,733 CAD
$12,670 USD
View
Most Expensive
B
Brilliant Earth
20497336Y · Oct 29
$18,251 CAD
$13,040 USD
View
13 more retailers have this diamond
Prices start from $2,577 CADSave up to $15,674 CAD

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
$2,577 CAD