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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 €1,395 EUR
$1,558 USD
As of October 31, 2026
Save €10,081 EUR (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €11,475 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €1,395 to €11,475, a €10,081 spread on the same certified stone. Brilliant Earth lists it at €11,475. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €11,475 EUR|Low: €1,395 EUR|High: €16,416 EUR|Avg: €5,030 EUR|-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
November 1, 2026
Retailer 5€1,395 EUR
Retailer 14€1,427 EUR
Retailer 3€1,552 EUR
Retailer 15€1,872 EUR
Retailer 10€2,603 EUR
Retailer 12€2,605 EUR
Retailer 13€2,926 EUR
Retailer 17€3,424 EUR
Retailer 4€3,991 EUR
Retailer 6€4,202 EUR
Retailer 8€4,596 EUR
Retailer 2€5,217 EUR
Retailer 11€5,585 EUR
Retailer 7€7,699 EUR
Retailer 9€8,844 EUR
Retailer 16€9,810 EUR
Brilliant Earth€11,475 EUR

30 data points across 17 retailers

14 retailers€1,395 EUR to €11,475 EUR

A
Cheapest Retailer
-
€1,395 EUR
$1,558 USD
Final sale: no returns
A
Retailer 2
-
€1,427 EUR
$1,594 USD
View
A
Retailer 3
-
€1,552 EUR
$1,734 USD
View
A
Retailer 4
-
€1,872 EUR
$2,091 USD
View
A
Retailer 5
-
€2,603 EUR
$2,908 USD
View
A
Retailer 6
-
€2,605 EUR
$2,910 USD
View
A
Retailer 7
-
€2,926 EUR
$3,269 USD
View
B+
Retailer 8
-
€3,424 EUR
$3,825 USD
View
B+
Retailer 9
-
€3,991 EUR
$4,459 USD
View
B+
Retailer 10
-
€5,217 EUR
£4,589 GBP
View
B+
Retailer 11
-
€5,473 EUR
$6,115 USD
View
B+
Retailer 12
-
€5,585 EUR
$6,240 USD
View
B
Retailer 13
-
€9,810 EUR
$10,960 USD
View
Most Expensive
B
Brilliant Earth
21413588Y · Oct 31
€11,475 EUR
$12,820 USD
View
13 more retailers have this diamond
Prices start from €1,395 EURSave up to €10,081 EUR

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
€1,395 EUR