CaratHunter
Plans
Round|Lab Grown|IGI

3.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606731

Diamond specifications and retailer prices

From $2,176 CAD
$1,558 USD
As of October 31, 2026
Save $15,732 CAD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,908 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round 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 LG790606731 or 790606731. Listed at 14 retailers as of October 30, 2026, with prices from $2,176 to $17,908, a $15,732 spread on the same certified stone. Brilliant Earth lists it at $17,908. 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

3.70
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606731
Dimensions9.96 × 9.92 × 6.10 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.96 mm9.92 mm3.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606731
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
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 31
Current: $17,908 CAD|Low: $1,555 CAD|High: $25,619 CAD|Avg: $7,870 CAD|-30.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$2,176 CAD
Retailer 12$2,227 CAD
Retailer 18$2,422 CAD
Retailer 14$2,921 CAD
Retailer 2$4,065 CAD
Retailer 11$4,566 CAD
Retailer 4$4,628 CAD
Retailer 17$5,343 CAD
Retailer 3$6,229 CAD
Retailer 6$6,558 CAD
Retailer 8$7,173 CAD
Retailer 10$7,436 CAD
Retailer 13$8,184 CAD
Retailer 16$8,542 CAD
Retailer 7$12,015 CAD
Retailer 9$13,802 CAD
Retailer 15$15,310 CAD
Brilliant Earth$17,908 CAD

30 data points across 18 retailers

14 retailers$2,176 CAD to $17,908 CAD

A
Cheapest Retailer
-
$2,176 CAD
$1,558 USD
Final sale: no returns
A
Retailer 2
-
$2,227 CAD
$1,594 USD
View
A
Retailer 3
-
$2,422 CAD
$1,734 USD
View
A
Retailer 4
-
$2,921 CAD
$2,091 USD
View
A
Retailer 5
-
$4,065 CAD
$2,910 USD
View
A
Retailer 6
-
$4,566 CAD
$3,269 USD
View
A
Retailer 7
-
$4,628 CAD
$3,313 USD
View
B+
Retailer 8
-
$5,343 CAD
$3,825 USD
View
B+
Retailer 9
-
$6,229 CAD
$4,459 USD
View
B+
Retailer 10
-
$8,184 CAD
£4,613 GBP
View
B+
Retailer 11
-
$8,542 CAD
$6,115 USD
View
Retailer 12
-
$9,324 CAD
$6,675 USD
View
Price last confirmed 23 days ago
B
Retailer 13
-
$15,310 CAD
$10,960 USD
View
Most Expensive
B
Brilliant Earth
21413588Y · Oct 30
$17,908 CAD
$12,820 USD
View
13 more retailers have this diamond
Prices start from $2,176 CADSave up to $15,732 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
3.70ct Round
$2,176 CAD