Oval|Lab Grown|IGI

1.66ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG770636717

Certificate IGI LG770636717

Diamond specifications and retailer prices

From $293 USD
Save $1,887 USD (87%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,310 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 LG770636717 or 770636717. Listed at 30 retailers, with a 644% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636717
Dimensions9.47 × 6.82 × 9.47 mm
L/W Ratio1.39
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
9.47 mm6.82 mm1.66 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636717
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $2,180 USD|Low: $233 USD|High: $3,010 USD|Avg: $848 USD|-27.6%
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 9$293 USD
Retailer 11$328 USD
Retailer 3$339 USD
Retailer 10$358 USD
Retailer 12$363 USD
Retailer 7$385 USD
Retailer 19$397 USD
Retailer 14$488 USD
Retailer 4$580 USD
Retailer 25$616 USD
Retailer 6$629 USD
Retailer 20$630 USD
Retailer 21$635 USD
Retailer 15$662 USD
Retailer 16$807 USD
Retailer 24$842 USD
Retailer 8$845 USD
Retailer 5$1,163 USD
Retailer 26$1,166 USD
Retailer 17$1,215 USD
Retailer 2$1,396 USD
Retailer 13$1,437 USD
Retailer 22$1,472 USD
Retailer 18$1,489 USD
Retailer 23$1,675 USD
Brilliant Earth$2,180 USD

40 data points across 26 retailers

30 retailers$293 USD to $2,180 USD

A
Cheapest Retailer
-
$293 USD
A
Retailer 2
-
$328 USD
View
A
Retailer 3
-
$339 USD
View
A
Retailer 4
-
$358 USD
View
A
Retailer 5
-
$363 USD
View
A
Retailer 6
-
$385 USD
£303 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
B+
Retailer 8
-
$488 USD
View
A
Retailer 9
-
$580 USD
€552 EUR
View
A
Retailer 10
-
$616 USD
ZAR 9,955 ZAR
View
A
Retailer 11
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$623 USD
£491 GBP
View
Price last confirmed 15 days ago
A
Retailer 12
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$629 USD
View
A
Retailer 13
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$630 USD
View
A
Retailer 14
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$636 USD
£501 GBP
View
A
Retailer 15
-
$662 USD
A$1,018 AUD
View
B+
Retailer 16
-
$807 USD
View
B+
Retailer 17
-
$842 USD
A$1,296 AUD
View
B+
Retailer 18
-
$845 USD
View
B+
Retailer 19
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$1,052 USD
View
Price last confirmed 69 days ago
B
Retailer 20
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$1,163 USD
SGD 1,572 SGD
View
B
Retailer 21
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$1,166 USD
View
B
Retailer 22
-
$1,215 USD
View
B
Retailer 23
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$1,392 USD
View
B
Retailer 24
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$1,396 USD
View
B
Retailer 25
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$1,437 USD
A$2,211 AUD
View
B
Retailer 26
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$1,472 USD
£1,159 GBP
View
B
Retailer 27
-
$1,489 USD
View
B
Retailer 28
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$1,675 USD
View
B
Retailer 29
-
$2,180 USD
View
Most Expensive
B
Brilliant Earth
18649429A · Aug 31
$3,310 USD
View
Price last confirmed 31 days ago
29 more retailers have this diamond
Prices start from $293 USDSave up to $1,887 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.

A
1.66ct Oval
$293 USD