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Oval|Lab Grown|IGI

1.66ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG782601600

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782601600

Diamond specifications and retailer prices

From €306 EUR
$342 USD
As of October 29, 2026
Save €3,252 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,558 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.66ct lab-grown oval diamond

This 1.66ct 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 LG782601600 or 782601600. Listed at 24 retailers as of October 28, 2026, with prices from €306 to €3,558, a €3,252 spread on the same certified stone. Rare Carat lists it at €3,558. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782601600
Dimensions9.42 × 6.67 × 4.19 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
9.42 mm6.67 mm1.66 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782601600
Side View
Table 60.0%Crown 34.5°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 62.8%

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: €3,558 EUR|Low: €299 EUR|High: €3,594 EUR|Avg: €1,017 EUR|-1.0%
Rare Carat
Retailer 2
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Retailer 22
October 31, 2026
Retailer 8€306 EUR
Retailer 2€342 EUR
Retailer 3€355 EUR
Retailer 15€380 EUR
Retailer 20€380 EUR
Retailer 18€515 EUR
Retailer 6€612 EUR
Retailer 5€614 EUR
Retailer 17€653 EUR
Retailer 19€673 EUR
Retailer 13€682 EUR
Retailer 9€1,089 EUR
Retailer 7€1,113 EUR
Retailer 14€1,221 EUR
Retailer 11€1,259 EUR
Retailer 22€1,325 EUR
Retailer 12€1,338 EUR
Retailer 10€1,473 EUR
Retailer 21€1,524 EUR
Retailer 4€1,803 EUR
Retailer 16€3,034 EUR
Rare Carat€3,558 EUR

21 data points across 22 retailers

24 retailers€306 EUR to €3,558 EUR

A
Cheapest Retailer
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€306 EUR
$342 USD
A
Retailer 2
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€342 EUR
$382 USD
View
Final sale: no returns
A
Retailer 3
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€355 EUR
$397 USD
View
A
Retailer 4
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€380 EUR
$424 USD
View
A
Retailer 5
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€380 EUR
$424 USD
View
A
Retailer 6
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€515 EUR
$575 USD
View
A
Retailer 7
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€612 EUR
$684 USD
View
A
Retailer 8
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€614 EUR
$686 USD
View
A
Retailer 9
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€653 EUR
ZAR 11,780 ZAR
View
A
Retailer 10
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€673 EUR
View
A
Retailer 11
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€682 EUR
£600 GBP
View
Retailer 12
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€962 EUR
$1,075 USD
View
Price last confirmed 22 days ago
B+
Retailer 13
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€1,089 EUR
$1,217 USD
View
B+
Retailer 14
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€1,113 EUR
$1,244 USD
View
B+
Retailer 15
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€1,221 EUR
$1,364 USD
View
B+
Retailer 16
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€1,259 EUR
$1,407 USD
View
B+
Retailer 17
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€1,325 EUR
$1,480 USD
View
B+
Retailer 18
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€1,338 EUR
SGD 2,020 SGD
View
B+
Retailer 19
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€1,468 EUR
$1,640 USD
View
B
Retailer 20
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€1,473 EUR
£1,296 GBP
View
B+
Retailer 21
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€1,524 EUR
£1,341 GBP
View
B+
Retailer 22
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€1,803 EUR
$2,014 USD
View
B
Retailer 23
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€3,034 EUR
$3,390 USD
View
Most Expensive
B
Rare Carat
MR-168077 · Oct 28
€3,558 EUR
$3,975 USD
View
23 more retailers have this diamond
Prices start from €306 EURSave up to €3,252 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
1.66ct Oval
€306 EUR