Round|Lab Grown|IGI

3.10ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG746506356

Shape and cutting style on the report: Round brilliant

Certificate IGI LG746506356

Diamond specifications and retailer prices

From $661 USD
As of November 3, 2026
Save $6,009 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,670 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG746506356 or 746506356. Listed at 13 retailers as of November 3, 2026, with prices from $661 to $6,670, a $6,009 spread on the same certified stone. Brilliant Earth lists it at $6,670. 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746506356
Dimensions9.33 × 9.40 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.33 mm9.40 mm3.10 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746506356
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $6,670 USD|Low: $610 USD|High: $7,870 USD|Avg: $2,671 USD|-15.2%
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 14$661 USD
Retailer 15$719 USD
Retailer 16$1,086 USD
Retailer 4$1,251 USD
Retailer 13$1,255 USD
Retailer 7$1,726 USD
Retailer 11$1,849 USD
Retailer 12$1,911 USD
Retailer 6$1,975 USD
Retailer 5$2,380 USD
Retailer 9$2,798 USD
Retailer 8$2,837 USD
Retailer 2$3,315 USD
Retailer 10$4,745 USD
Retailer 3$5,870 USD
Brilliant Earth$6,670 USD

30 data points across 16 retailers

13 retailers$661 USD to $6,670 USD

A
Cheapest Retailer
-
$661 USD
A
Retailer 2
-
$719 USD
View
A
Retailer 3
-
$1,086 USD
View
A
Retailer 4
-
$1,251 USD
View
A
Retailer 5
-
$1,255 USD
View
A
Retailer 6
-
$1,849 USD
View
B+
Retailer 7
-
$1,911 USD
View
B+
Retailer 8
-
$1,975 USD
View
B+
Retailer 9
-
$2,380 USD
View
B+
Retailer 10
-
$3,315 USD
View
B
Retailer 11
-
$4,745 USD
View
B
Retailer 12
-
$5,870 USD
View
Most Expensive
B
Brilliant Earth
21405998Y · Nov 4
$6,670 USD
View
12 more retailers have this diamond
Prices start from $661 USDSave up to $6,009 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 Round
$661 USD