Oval|Lab Grown|IGI

1.21ct F FL Oval Lab Grown Diamond

ID • F/FL • IGI LG816615886

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816615886

Diamond specifications and retailer prices

From €206 EUR
As of November 5, 2026
Save €1,514 EUR (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,978 EUR at Rare Carat · As of October 11, 2026
View at Rare Carat

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615886 or 816615886. Listed at 20 retailers as of November 4, 2026, with a 735% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615886
Dimensions8.31 × 5.94 × 3.83 mm
L/W Ratio1.40
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
8.31 mm5.94 mm1.21 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615886
Side View
Table 56.0%Crown 33.8°Girdle: Slightly ThickPavilion 41.3°Culet: NoneDepth 64.5%

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: Nov 5
Current: €1,359 EUR|Low: €206 EUR|High: €2,450 EUR|Avg: €745 EUR|-31.3%
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
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 13€206 EUR
Retailer 18€230 EUR
Retailer 16€239 EUR
Retailer 4€255 EUR
Retailer 9€259 EUR
Retailer 12€433 EUR
Retailer 7€437 EUR
Retailer 6€447 EUR
Retailer 2€476 EUR
Retailer 15€715 EUR
Retailer 14€820 EUR
Retailer 17€822 EUR
Retailer 11€849 EUR
Retailer 19€866 EUR
Retailer 10€915 EUR
Retailer 3€991 EUR
Retailer 5€1,040 EUR
Rare Carat€1,359 EUR
Retailer 8€1,720 EUR

33 data points across 19 retailers

20 retailers€206 EUR to €1,720 EUR

A
Cheapest Retailer
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€206 EUR
A
Retailer 2
-
€230 EUR
View
Final sale: no returns
A
Retailer 3
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€239 EUR
View
A
Retailer 4
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€255 EUR
View
Retailer 5
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€259 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€433 EUR
View
A
Retailer 7
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€437 EUR
View
A
Retailer 8
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€447 EUR
View
A
Retailer 9
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€476 EUR
View
B+
Retailer 10
-
€715 EUR
View
B+
Retailer 11
-
€820 EUR
View
B+
Retailer 12
-
€822 EUR
View
B+
Retailer 13
-
€849 EUR
View
B+
Retailer 14
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€866 EUR
View
B+
Retailer 15
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€915 EUR
View
B+
Retailer 16
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€991 EUR
View
B+
Retailer 17
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€1,040 EUR
View
B
Retailer 18
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€1,359 EUR
View
B
Retailer 19
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€1,720 EUR
View
Most Expensive
Rare Carat
PD8866158JJ816 · Oct 11
€1,978 EUR
$2,220 USD
View
Price last confirmed 25 days ago
19 more retailers have this diamond
Prices start from €206 EURSave up to €1,514 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
1.21ct Oval
€206 EUR