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Oval|Lab Grown|IGI

1.20ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG818662385

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818662385

Diamond specifications and retailer prices

From $231 USD
As of November 3, 2026
Save $1,729 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,960 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818662385 or 818662385. Listed at 18 retailers as of November 3, 2026, with prices from $231 to $1,960, a $1,729 spread on the same certified stone. Brilliant Earth lists it at $1,960. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662385
Dimensions8.48 × 5.98 × 3.67 mm
L/W Ratio1.42
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
8.48 mm5.98 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662385
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A+
Exceptional
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 3
Current: $1,960 USD|Low: $231 USD|High: $2,620 USD|Avg: $842 USD|-25.2%
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
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 14$231 USD
Retailer 3$258 USD
Retailer 17$268 USD
Retailer 7$286 USD
Retailer 10$294 USD
Retailer 12$486 USD
Retailer 9$504 USD
Retailer 8$507 USD
Retailer 13$534 USD
Retailer 16$751 USD
Retailer 15$920 USD
Retailer 18$924 USD
Retailer 5$953 USD
Retailer 4$972 USD
Retailer 6$1,027 USD
Retailer 2$1,144 USD
Retailer 11$1,565 USD
Brilliant Earth$1,960 USD

33 data points across 18 retailers

18 retailers$231 USD to $1,960 USD

A+
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$268 USD
View
A
Retailer 4
-
$286 USD
View
Retailer 5
-
$294 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$486 USD
View
A
Retailer 7
-
$504 USD
View
A
Retailer 8
-
$507 USD
View
A
Retailer 9
-
$534 USD
View
B+
Retailer 10
-
$751 USD
View
B+
Retailer 11
-
$920 USD
View
B+
Retailer 12
-
$924 USD
View
B+
Retailer 13
-
$953 USD
View
B+
Retailer 14
-
$972 USD
View
B+
Retailer 15
-
$1,027 USD
View
B+
Retailer 16
-
$1,144 USD
View
B
Retailer 17
-
$1,565 USD
View
Most Expensive
B
Brilliant Earth
21418949A · Nov 4
$1,960 USD
View
17 more retailers have this diamond
Prices start from $231 USDSave up to $1,729 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+
1.20ct Oval
$231 USD