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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG768622672

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768622672

Diamond specifications and retailer prices

From $259 USD
As of October 29, 2026
Save $1,771 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,030 USD at Brilliant Earth · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768622672 or 768622672. Listed at 20 retailers as of October 29, 2026, with prices from $259 to $2,030, a $1,771 spread on the same certified stone. Brilliant Earth lists it at $2,030. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768622672
Dimensions9.47 × 6.74 × 4.12 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm6.74 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768622672
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 61.1%

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: Oct 29
Current: $2,030 USD|Low: $251 USD|High: $2,130 USD|Avg: $735 USD|-4.7%
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
October 31, 2026
Retailer 14$259 USD
Retailer 19$288 USD
Retailer 8$300 USD
Retailer 9$318 USD
Retailer 16$321 USD
Retailer 15$480 USD
Retailer 3$535 USD
Retailer 5$551 USD
Retailer 11$563 USD
Retailer 17$589 USD
Retailer 18$611 USD
Retailer 2$612 USD
Retailer 7$740 USD
Retailer 13$985 USD
Retailer 4$1,031 USD
Retailer 20$1,082 USD
Retailer 12$1,225 USD
Retailer 6$1,250 USD
Retailer 10$1,274 USD
Brilliant Earth$2,030 USD

34 data points across 20 retailers

20 retailers$259 USD to $2,030 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$300 USD
View
A
Retailer 4
-
$318 USD
View
A
Retailer 5
-
$321 USD
View
A
Retailer 6
-
$480 USD
View
A
Retailer 7
-
$535 USD
View
A
Retailer 8
-
$551 USD
ZAR 8,899 ZAR
View
Retailer 9
-
$563 USD
€536 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$589 USD
View
A
Retailer 11
-
$611 USD
View
A
Retailer 12
-
$612 USD
£482 GBP
View
B+
Retailer 13
-
$740 USD
A$1,139 AUD
View
B+
Retailer 14
-
$985 USD
View
B+
Retailer 15
-
$1,031 USD
View
B+
Retailer 16
-
$1,082 USD
View
B
Retailer 17
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$1,225 USD
View
B
Retailer 18
-
$1,250 USD
£984 GBP
View
B
Retailer 19
-
$1,274 USD
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
18094821A · Oct 30
$2,030 USD
View
19 more retailers have this diamond
Prices start from $259 USDSave up to $1,771 USD

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
$259 USD