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Round|Lab Grown|IGI

3.70ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG840632431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840632431

Diamond specifications and retailer prices

From €1,726 EUR
$1,928 USD
As of October 29, 2026
Save €9,472 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €11,198 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 F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632431 or 840632431. Listed at 22 retailers as of October 29, 2026, with prices from €1,726 to €11,198, a €9,472 spread on the same certified stone. Brilliant Earth lists it at €11,198. 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
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632431
Dimensions9.93 × 9.99 × 6.06 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.93 mm9.99 mm3.70 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632431
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

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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 29
Current: €11,198 EUR|Low: €1,726 EUR|High: €12,540 EUR|Avg: €4,506 EUR|-10.7%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
November 1, 2026
Retailer 6€1,726 EUR
Retailer 21€1,877 EUR
Retailer 22€1,942 EUR
Retailer 4€2,001 EUR
Retailer 12€2,150 EUR
Retailer 13€2,153 EUR
Retailer 14€2,506 EUR
Retailer 2€2,742 EUR
Retailer 20€2,880 EUR
Retailer 7€3,135 EUR
Retailer 18€3,216 EUR
Retailer 3€3,287 EUR
Retailer 8€3,752 EUR
Retailer 16€4,648 EUR
Retailer 19€5,222 EUR
Retailer 17€5,747 EUR
Retailer 9€5,764 EUR
Retailer 10€6,778 EUR
Retailer 5€7,009 EUR
Retailer 11€7,425 EUR
Retailer 15€8,414 EUR
Brilliant Earth€11,198 EUR

19 data points across 22 retailers

22 retailers€1,726 EUR to €11,198 EUR

A
Cheapest Retailer
-
€1,726 EUR
$1,928 USD
A
Retailer 2
-
€1,877 EUR
$2,097 USD
View
A
Retailer 3
-
€1,942 EUR
$2,170 USD
View
Final sale: no returns
A
Retailer 4
-
€2,001 EUR
$2,236 USD
View
A
Retailer 5
-
€2,150 EUR
$2,402 USD
View
B+
Retailer 6
-
€2,153 EUR
$2,405 USD
View
Retailer 7
-
€2,506 EUR
£2,205 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€2,742 EUR
£2,412 GBP
View
B+
Retailer 9
-
€2,880 EUR
$3,217 USD
View
B+
Retailer 10
-
€3,135 EUR
$3,502 USD
View
B+
Retailer 11
-
€3,216 EUR
View
B+
Retailer 12
-
€3,287 EUR
$3,672 USD
View
B
Retailer 13
-
€3,752 EUR
$4,192 USD
View
B+
Retailer 14
-
€4,648 EUR
ZAR 83,889 ZAR
View
B+
Retailer 15
-
€5,222 EUR
$5,834 USD
View
B+
Retailer 16
-
€5,747 EUR
£5,056 GBP
View
B
Retailer 17
-
€5,764 EUR
$6,440 USD
View
B
Retailer 18
-
€6,778 EUR
SGD 10,233 SGD
View
B
Retailer 19
-
€7,009 EUR
$7,830 USD
View
B
Retailer 20
-
€7,425 EUR
$8,295 USD
View
B
Retailer 21
-
€8,414 EUR
$9,400 USD
View
Most Expensive
B
Brilliant Earth
21826977A · Oct 31
€11,198 EUR
$12,510 USD
View
21 more retailers have this diamond
Prices start from €1,726 EURSave up to €9,472 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
€1,726 EUR