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Round|Lab Grown|IGI

1.40ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG607394334

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607394334

Diamond specifications and retailer prices

From €155 EUR
$173 USD
As of October 29, 2026
Save €1,330 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,485 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607394334 or 607394334. Listed at 10 retailers as of October 29, 2026, with prices from €155 to €1,485, a €1,330 spread on the same certified stone. Do Amore Diamonds lists it at €1,485. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607394334
Dimensions7.18 × 7.24 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.18 mm7.24 mm1.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607394334
Side View
Table 58.0%Crown 33.9°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.8%

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 29
Current: €1,485 EUR|Low: €125 EUR|High: €1,485 EUR|Avg: €606 EUR|+3.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7€155 EUR
Retailer 9€174 EUR
Retailer 8€342 EUR
Retailer 2€373 EUR
Retailer 11€388 EUR
Retailer 12€481 EUR
Retailer 10€506 EUR
Retailer 4€564 EUR
Retailer 6€651 EUR
Retailer 3€966 EUR
Retailer 5€995 EUR
Do Amore Diamonds€1,485 EUR

37 data points across 12 retailers

10 retailers€155 EUR to €1,485 EUR

A
Cheapest Retailer
-
€155 EUR
$173 USD
Retailer 2
-
€179 EUR
$200 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€342 EUR
$382 USD
View
A
Retailer 4
-
€373 EUR
£328 GBP
View
Retailer 5
-
€651 EUR
$728 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
€680 EUR
$760 USD
View
B
Retailer 7
-
€966 EUR
$1,080 USD
View
B
Retailer 8
-
€995 EUR
£876 GBP
View
B
Retailer 9
-
€1,404 EUR
$1,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-2F9F6DAE8 · Oct 29
€1,485 EUR
$1,660 USD
View
9 more retailers have this diamond
Prices start from €155 EURSave up to €1,330 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
1.40ct Round
€155 EUR