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Oval|Lab Grown|IGI

1.78ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836614343

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836614343

Diamond specifications and retailer prices

From €344 EUR
$383 USD
As of October 29, 2026
Save €3,703 EUR (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,048 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.78ct lab-grown oval diamond

This 1.78ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614343 or 836614343. Listed at 22 retailers as of October 28, 2026, with prices from €344 to €4,048, a €3,703 spread on the same certified stone. Rare Carat lists it at €4,048. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614343
Dimensions9.79 × 6.80 × 4.18 mm
L/W Ratio1.44
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
9.79 mm6.80 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614343
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €4,048 EUR|Low: €344 EUR|High: €4,088 EUR|Avg: €1,047 EUR|-1.0%
Rare Carat
Retailer 2
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Retailer 6
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Retailer 21
October 30, 2026
Retailer 4€344 EUR
Retailer 19€385 EUR
Retailer 6€392 EUR
Retailer 10€427 EUR
Retailer 18€427 EUR
Retailer 2€440 EUR
Retailer 17€647 EUR
Retailer 20€656 EUR
Retailer 21€678 EUR
Retailer 16€733 EUR
Retailer 11€734 EUR
Retailer 13€772 EUR
Retailer 3€1,196 EUR
Retailer 5€1,252 EUR
Retailer 9€1,370 EUR
Retailer 7€1,405 EUR
Retailer 14€1,468 EUR
Retailer 8€1,480 EUR
Retailer 15€1,675 EUR
Retailer 12€1,996 EUR
Rare Carat€4,048 EUR

23 data points across 21 retailers

22 retailers€344 EUR to €4,048 EUR

A
Cheapest Retailer
-
€344 EUR
$383 USD
A
Retailer 2
-
€385 EUR
$429 USD
View
A
Retailer 3
-
€392 EUR
$436 USD
View
Final sale: no returns
A
Retailer 4
-
€427 EUR
$475 USD
View
A
Retailer 5
-
€427 EUR
$475 USD
View
A
Retailer 6
-
€440 EUR
£386 GBP
View
A
Retailer 7
-
€647 EUR
$720 USD
View
A
Retailer 8
-
€656 EUR
$730 USD
View
A
Retailer 9
-
€678 EUR
$755 USD
View
A
Retailer 10
-
€733 EUR
ZAR 13,174 ZAR
View
A
Retailer 11
-
€772 EUR
£676 GBP
View
B+
Retailer 12
-
€1,196 EUR
$1,331 USD
View
B+
Retailer 13
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€1,252 EUR
$1,394 USD
View
B+
Retailer 14
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€1,370 EUR
$1,525 USD
View
B+
Retailer 15
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€1,405 EUR
$1,563 USD
View
B+
Retailer 16
-
€1,468 EUR
SGD 2,208 SGD
View
B+
Retailer 17
-
€1,480 EUR
$1,647 USD
View
B+
Retailer 18
-
€1,675 EUR
£1,468 GBP
View
B+
Retailer 19
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€1,996 EUR
$2,221 USD
View
B
Retailer 20
-
€2,937 EUR
$3,269 USD
View
B
Retailer 21
-
€3,369 EUR
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-252061 · Oct 28
€4,048 EUR
$4,505 USD
View
21 more retailers have this diamond
Prices start from €344 EURSave up to €3,703 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
1.78ct Oval
€344 EUR