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Oval|Lab Grown|IGI

1.40ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG791642114

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791642114

Diamond specifications and retailer prices

From €433 EUR
A$748 AUD
As of November 2, 2026
7 retailers carry this diamond
Most expensive: €704 EUR at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval 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 LG791642114 or 791642114. Listed at 7 retailers as of November 2, 2026. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791642114
Dimensions9.41 × 6.26 × 3.70 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.41 mm6.26 mm1.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791642114
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €704 EUR|Low: €152 EUR|High: €888 EUR|Avg: €437 EUR
Rare Carat
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
October 31, 2026
Retailer 11€152 EUR
Retailer 3€176 EUR
Retailer 4€185 EUR
Retailer 14€187 EUR
Retailer 6€254 EUR
Retailer 9€316 EUR
Retailer 10€326 EUR
Retailer 15€416 EUR
Retailer 5€422 EUR
Retailer 2€433 EUR
Retailer 8€478 EUR
Retailer 13€603 EUR
Retailer 16€652 EUR
Rare Carat€704 EUR
Retailer 7€749 EUR
Retailer 12€888 EUR

10 data points across 16 retailers

7 retailers

Retailer 1
-
€152 EUR
$170 USD
Price last confirmed 35 days ago
Retailer 2
-
€176 EUR
$197 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€185 EUR
$208 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€422 EUR
$473 USD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
€433 EUR
A$748 AUD
View
Retailer 6
-
€603 EUR
$676 USD
View
Price last confirmed 35 days ago
Most Expensive
Rare Carat
8K791642114 · Sep 9
€704 EUR
$789 USD
View
Price last confirmed 54 days ago
6 more retailers have this diamond
Prices start from €433 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.

B+
1.40ct Oval
€433 EUR