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Oval|Lab Grown|IGI

1.66ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG794603703

Certificate IGI LG794603703

Diamond specifications and retailer prices

From $1,378 USD
Save $4,712 USD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,090 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794603703 or 794603703. Listed at 23 retailers, with prices from $1,378 to $6,090 at Brilliant Earth, a $4,712 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794603703
Dimensions9.57 × 6.56 × 4.08 mm
L/W Ratio1.46
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
9.57 mm6.56 mm1.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794603703
Side View
Table 58.0%Crown 33.8°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $1,843 USD|Low: $1,101 USD|High: $5,622 USD|Avg: $2,770 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
September 30, 2026
Retailer 2$1,378 USD
Retailer 18$1,500 USD
Retailer 6$1,543 USD
Retailer 10$1,560 USD
Retailer 3$1,577 USD
Retailer 9$1,599 USD
Retailer 21$1,766 USD
Retailer 7$1,770 USD
Retailer 1$1,843 USD
Retailer 11$2,131 USD
Retailer 5$2,288 USD
Retailer 12$2,310 USD
Retailer 19$2,617 USD
Retailer 22$2,642 USD
Retailer 4$2,871 USD
Retailer 17$2,997 USD
Retailer 8$3,856 USD
Retailer 16$4,622 USD
Retailer 15$4,666 USD
Retailer 13$4,954 USD
Retailer 20$5,351 USD
Retailer 14$5,622 USD

39 data points across 22 retailers

23 retailers$1,378 USD to $6,090 USD

B+
Cheapest Retailer
-
$1,378 USD
B+
Retailer 2
-
$1,500 USD
View
B+
Retailer 3
-
$1,543 USD
View
B+
Retailer 4
-
$1,560 USD
View
B+
Retailer 5
-
$1,577 USD
View
B+
Retailer 6
-
$1,599 USD
View
B+
Retailer 7
-
$1,766 USD
View
B+
Retailer 8
-
$1,770 USD
View
B+
Retailer 9
-
$1,843 USD
HK$14,400 HKD
View
B
Retailer 10
-
$2,131 USD
A$3,278 AUD
View
B+
Retailer 11
-
$2,288 USD
View
B
Retailer 12
-
$2,308 USD
£1,817 GBP
View
B
Retailer 13
-
$2,617 USD
€2,492 EUR
View
B
Retailer 14
-
$2,642 USD
View
B
Retailer 15
-
$2,871 USD
ZAR 46,376 ZAR
View
Price last confirmed 10 days ago
B
Retailer 16
-
$2,997 USD
View
B
Retailer 17
-
$3,856 USD
£3,036 GBP
View
B
Retailer 18
-
$4,622 USD
£3,639 GBP
View
B
Retailer 19
-
$4,666 USD
View
B
Retailer 20
-
$4,954 USD
View
B
Retailer 21
-
$5,351 USD
SGD 7,231 SGD
View
B
Retailer 22
-
$5,622 USD
View
Most Expensive
B
Brilliant Earth
19883773A · Oct 1
$6,090 USD
View
22 more retailers have this diamond
Prices start from $1,378 USDSave up to $4,712 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
$1,378 USD