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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG825654007

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825654007

Diamond specifications and retailer prices

From €248 EUR
$277 USD
As of November 1, 2026
Save €1,802 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,050 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825654007 or 825654007. Listed at 24 retailers as of October 31, 2026, with prices from €248 to €2,050, a €1,802 spread on the same certified stone. Brilliant Earth lists it at €2,050. 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654007
Dimensions9.65 × 6.44 × 4.15 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.44 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654007
Side View
Table 62.0%Crown 33.7°Girdle: Slightly ThickPavilion 42.1°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
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 1
Current: €2,050 EUR|Low: €238 EUR|High: €2,112 EUR|Avg: €763 EUR|-3.0%
Brilliant Earth
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
Retailer 20
November 2, 2026
Retailer 5€248 EUR
Retailer 8€277 EUR
Retailer 11€287 EUR
Retailer 9€307 EUR
Retailer 4€326 EUR
Retailer 16€412 EUR
Retailer 19€448 EUR
Retailer 20€483 EUR
Retailer 13€529 EUR
Retailer 2€536 EUR
Retailer 12€613 EUR
Retailer 18€714 EUR
Retailer 15€736 EUR
Retailer 10€987 EUR
Retailer 6€1,182 EUR
Retailer 17€1,229 EUR
Retailer 14€1,230 EUR
Retailer 7€1,287 EUR
Retailer 3€1,329 EUR
Brilliant Earth€2,050 EUR

40 data points across 20 retailers

24 retailers€248 EUR to €2,050 EUR

A
Cheapest Retailer
-
€248 EUR
$277 USD
A
Retailer 2
-
€277 EUR
$309 USD
View
Final sale: no returns
A
Retailer 3
-
€287 EUR
$321 USD
View
Retailer 4
-
€307 EUR
$343 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€307 EUR
$343 USD
View
B+
Retailer 6
-
€412 EUR
$460 USD
View
A
Retailer 7
-
€448 EUR
$500 USD
View
A
Retailer 8
-
€483 EUR
View
A
Retailer 9
-
€529 EUR
ZAR 9,554 ZAR
View
A
Retailer 10
-
€536 EUR
£472 GBP
View
A
Retailer 11
-
€613 EUR
$685 USD
View
B+
Retailer 12
-
€647 EUR
$723 USD
View
B+
Retailer 13
-
€661 EUR
$739 USD
View
B+
Retailer 14
-
€714 EUR
A$1,227 AUD
View
B+
Retailer 15
-
€736 EUR
$822 USD
View
B+
Retailer 16
-
€987 EUR
$1,103 USD
View
B+
Retailer 17
-
€1,032 EUR
$1,153 USD
View
B
Retailer 18
-
€1,182 EUR
$1,320 USD
View
B
Retailer 19
-
€1,229 EUR
A$2,112 AUD
View
B
Retailer 20
-
€1,230 EUR
£1,082 GBP
View
B
Retailer 21
-
€1,275 EUR
$1,424 USD
View
B
Retailer 22
-
€1,287 EUR
$1,438 USD
View
B
Retailer 23
-
€1,329 EUR
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21202258A · Oct 31
€2,050 EUR
$2,290 USD
View
23 more retailers have this diamond
Prices start from €248 EURSave up to €1,802 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
€248 EUR