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Oval|Lab Grown|IGI

1.66ct D VS2 Oval Lab Grown Diamond

EX • D/VS2 • IGI LG764666407

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG764666407

Diamond specifications and retailer prices

From $219 USD
As of October 29, 2026
Save $920 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,139 USD at With Clarity · As of November 1, 2026
View at With Clarity

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG764666407 or 764666407. Listed at 12 retailers as of October 29, 2026, with prices from $219 to $1,139, a $920 spread on the same certified stone. With Clarity lists it at $1,139. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764666407
Dimensions9.51 × 6.71 × 4.13 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm6.71 mm1.66 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764666407
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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: $455 USD|Low: $217 USD|High: $1,203 USD|Avg: $759 USD|-3.1%
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
With Clarity
October 31, 2026
Retailer 10$219 USD
Retailer 8$254 USD
Retailer 12$304 USD
Retailer 1$455 USD
Retailer 3$487 USD
Retailer 14$606 USD
Retailer 5$767 USD
Retailer 11$873 USD
Retailer 9$876 USD
Retailer 6$897 USD
Retailer 13$988 USD
Retailer 4$1,021 USD
Retailer 7$1,095 USD
Retailer 2$1,122 USD
With Clarity$1,139 USD

24 data points across 15 retailers

12 retailers$219 USD to $1,139 USD

A
Cheapest Retailer
-
$219 USD
A
Retailer 2
-
$254 USD
View
Retailer 3
-
$304 USD
£239 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$455 USD
€433 EUR
View
A
Retailer 5
-
$606 USD
View
B+
Retailer 6
-
$873 USD
View
B+
Retailer 7
-
$876 USD
View
B+
Retailer 8
-
$988 USD
View
B+
Retailer 9
-
$1,075 USD
View
B+
Retailer 10
-
$1,095 USD
£862 GBP
View
Retailer 11
-
$1,122 USD
SGD 1,516 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
With Clarity
764666407 · Nov 1
$1,139 USD
View
11 more retailers have this diamond
Prices start from $219 USDSave up to $920 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
$219 USD