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Oval|Lab Grown|IGI

1.66ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG765627159

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG765627159

Diamond specifications and retailer prices

From $415 USD
As of November 1, 2026
Save $2,265 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,680 USD 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 LG765627159 or 765627159. Listed at 16 retailers as of October 31, 2026, with prices from $415 to $2,680, a $2,265 spread on the same certified stone. Brilliant Earth lists it at $2,680. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765627159
Dimensions9.15 × 6.53 × 4.21 mm
L/W Ratio1.40
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
9.15 mm6.53 mm1.66 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765627159
Side View
Table 61.0%Crown 40.5°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 64.5%

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: Nov 1
Current: $2,680 USD|Low: $331 USD|High: $2,760 USD|Avg: $1,031 USD|-2.9%
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
November 2, 2026
Retailer 7$331 USD
Retailer 12$415 USD
Retailer 8$539 USD
Retailer 11$582 USD
Retailer 9$585 USD
Retailer 2$590 USD
Retailer 15$730 USD
Retailer 10$769 USD
Retailer 3$1,055 USD
Retailer 13$1,228 USD
Retailer 5$1,257 USD
Retailer 4$1,266 USD
Retailer 14$1,373 USD
Retailer 6$1,475 USD
Brilliant Earth$2,680 USD

42 data points across 15 retailers

16 retailers$415 USD to $2,680 USD

Retailer 1
-
$331 USD
Price last confirmed 24 days ago
B+
Retailer 2
-
$415 USD
View
A
Retailer 3
-
$492 USD
€469 EUR
View
A
Retailer 4
-
$539 USD
ZAR 8,708 ZAR
View
A
Retailer 5
-
$582 USD
View
A
Retailer 6
-
$585 USD
€557 EUR
View
A
Retailer 7
-
$590 USD
£464 GBP
View
B+
Retailer 8
-
$730 USD
View
B+
Retailer 9
-
$769 USD
View
B+
Retailer 10
-
$1,055 USD
View
B+
Retailer 11
-
$1,228 USD
View
B+
Retailer 12
-
$1,257 USD
£990 GBP
View
B
Retailer 13
-
$1,266 USD
View
B+
Retailer 14
-
$1,373 USD
A$2,112 AUD
View
B
Retailer 15
-
$1,475 USD
View
Most Expensive
B
Brilliant Earth
17432904A · Oct 31
$2,680 USD
View
15 more retailers have this diamond
Prices start from $415 USDSave up to $2,265 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
$415 USD