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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG803622862

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803622862

Diamond specifications and retailer prices

From $274 USD
As of October 30, 2026
Save $1,065 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,339 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG803622862 or 803622862. Listed at 22 retailers as of October 30, 2026, with prices from $274 to $1,339, a $1,065 spread on the same certified stone. Reve Diamonds lists it at $1,339. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803622862
Dimensions9.51 × 6.71 × 4.08 mm
L/W Ratio1.42
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
9.51 mm6.71 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803622862
Side View
Table 59.0%Crown 34°Girdle: STK-THKPavilion 39°Culet: NoneDepth 60.8%

Caratlytics Score

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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 30
Current: $578 USD|Low: $236 USD|High: $1,341 USD|Avg: $690 USD|+1.2%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 6$236 USD
Retailer 15$274 USD
Retailer 4$304 USD
Retailer 14$304 USD
Retailer 13$422 USD
Retailer 10$523 USD
Retailer 2$561 USD
Retailer 1$578 USD
Retailer 8$595 USD
Retailer 11$710 USD
Retailer 16$729 USD
Retailer 7$979 USD
Retailer 12$982 USD
Retailer 5$1,031 USD
Retailer 3$1,198 USD
Retailer 9$1,227 USD
Reve Diamonds$1,339 USD

42 data points across 17 retailers

22 retailers$274 USD to $1,339 USD

Retailer 1
-
$236 USD
Price last confirmed 27 days ago
Retailer 2
-
$252 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$274 USD
View
Final sale: no returns
A
Retailer 4
-
$285 USD
View
Retailer 5
-
$292 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$304 USD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$304 USD
View
A
Retailer 8
-
$304 USD
View
Retailer 9
-
$308 USD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$422 USD
View
A
Retailer 11
-
$523 USD
ZAR 8,451 ZAR
View
A
Retailer 12
-
$561 USD
View
A
Retailer 13
-
$578 USD
£455 GBP
View
A
Retailer 14
-
$710 USD
A$1,092 AUD
View
B+
Retailer 15
-
$729 USD
View
Retailer 16
-
$979 USD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$979 USD
View
B+
Retailer 18
-
$982 USD
View
B+
Retailer 19
-
$1,031 USD
View
B
Retailer 20
-
$1,198 USD
View
B+
Retailer 21
-
$1,227 USD
£966 GBP
View
Most Expensive
B
Reve Diamonds
99EC358E9 · Oct 30
$1,339 USD
View
21 more retailers have this diamond
Prices start from $274 USDSave up to $1,065 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
$274 USD