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Oval|Lab Grown|IGI

1.66ct D VVS1 Oval Lab Grown Diamond

ID • D/VVS1 • IGI LG816663586

Certificate IGI LG816663586

Diamond specifications and retailer prices

From $297 USD
Save $2,573 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,870 USD at Brilliant Earth
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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816663586 or 816663586. Listed at 14 retailers, with prices from $297 to $2,870 at Brilliant Earth, a $2,573 spread on the same certified stone. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816663586
Dimensions9.37 × 6.69 × 4.21 mm
L/W Ratio1.40
Girdle conditionFaceted
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
9.37 mm6.69 mm1.66 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816663586
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $2,870 USD|Low: $211 USD|High: $2,870 USD|Avg: $951 USD
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
October 1, 2026
Retailer 7$297 USD
Retailer 12$490 USD
Retailer 5$523 USD
Retailer 9$531 USD
Retailer 2$563 USD
Retailer 13$606 USD
Retailer 10$785 USD
Retailer 3$798 USD
Retailer 6$1,112 USD
Retailer 11$1,278 USD
Retailer 14$1,339 USD
Retailer 4$1,405 USD
Retailer 8$1,650 USD
Brilliant Earth$2,870 USD

25 data points across 14 retailers

14 retailers$297 USD to $2,870 USD

B+
Cheapest Retailer
-
$297 USD
B+
Retailer 2
-
$490 USD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$523 USD
View
Price last confirmed 16 days ago
B+
Retailer 4
-
$531 USD
€506 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$563 USD
ZAR 9,103 ZAR
View
B+
Retailer 6
-
$606 USD
£477 GBP
View
Price last confirmed 16 days ago
B
Retailer 7
-
$785 USD
View
B
Retailer 8
-
$798 USD
View
Price last confirmed 15 days ago
B
Retailer 9
-
$1,112 USD
View
B
Retailer 10
-
$1,278 USD
View
C
Retailer 11
-
$1,366 USD
View
C
Retailer 12
-
$1,405 USD
View
Price last confirmed 18 days ago
C
Retailer 13
-
$1,650 USD
View
Most Expensive
C
Brilliant Earth
21371842A · Oct 1
$2,870 USD
View
13 more retailers have this diamond
Prices start from $297 USDSave up to $2,573 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.

B+
1.66ct Oval
$297 USD