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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 €343 EUR
$383 USD
As of October 29, 2026
Save €3,690 EUR (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,032 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 23 retailers as of October 28, 2026, with prices from €343 to €4,032, a €3,690 spread on the same certified stone. Rare Carat lists it at €4,032. 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
Color
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: €4,032 EUR|Low: €343 EUR|High: €4,073 EUR|Avg: €1,033 EUR|-1.0%
Rare Carat
Retailer 2
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Retailer 21
October 31, 2026
Retailer 6€343 EUR
Retailer 21€384 EUR
Retailer 8€390 EUR
Retailer 11€425 EUR
Retailer 20€425 EUR
Retailer 16€439 EUR
Retailer 19€644 EUR
Retailer 3€653 EUR
Retailer 4€676 EUR
Retailer 18€730 EUR
Retailer 2€734 EUR
Retailer 13€769 EUR
Retailer 5€1,191 EUR
Retailer 7€1,248 EUR
Retailer 10€1,365 EUR
Retailer 9€1,399 EUR
Retailer 14€1,463 EUR
Retailer 15€1,605 EUR
Retailer 17€1,669 EUR
Retailer 12€1,988 EUR
Rare Carat€4,032 EUR

23 data points across 21 retailers

23 retailers€343 EUR to €4,032 EUR

A
Cheapest Retailer
-
€343 EUR
$383 USD
A
Retailer 2
-
€384 EUR
$429 USD
View
A
Retailer 3
-
€390 EUR
$436 USD
View
Final sale: no returns
A
Retailer 4
-
€425 EUR
$475 USD
View
A
Retailer 5
-
€425 EUR
$475 USD
View
A
Retailer 6
-
€439 EUR
£386 GBP
View
A
Retailer 7
-
€644 EUR
$720 USD
View
A
Retailer 8
-
€653 EUR
$730 USD
View
A
Retailer 9
-
€676 EUR
$755 USD
View
A
Retailer 10
-
€730 EUR
ZAR 13,174 ZAR
View
A
Retailer 11
-
€734 EUR
View
A
Retailer 12
-
€769 EUR
£676 GBP
View
B+
Retailer 13
-
€1,191 EUR
$1,331 USD
View
B+
Retailer 14
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€1,248 EUR
$1,394 USD
View
B+
Retailer 15
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€1,365 EUR
$1,525 USD
View
B+
Retailer 16
-
€1,399 EUR
$1,563 USD
View
B+
Retailer 17
-
€1,463 EUR
SGD 2,208 SGD
View
B+
Retailer 18
-
€1,605 EUR
$1,793 USD
View
B+
Retailer 19
-
€1,669 EUR
£1,468 GBP
View
B+
Retailer 20
-
€1,988 EUR
$2,221 USD
View
B
Retailer 21
-
€2,926 EUR
$3,269 USD
View
B
Retailer 22
-
€3,357 EUR
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-252061 · Oct 28
€4,032 EUR
$4,505 USD
View
22 more retailers have this diamond
Prices start from €343 EURSave up to €3,690 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
€343 EUR