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Oval|Lab Grown|IGI

1.20ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG840634416

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840634416

Diamond specifications and retailer prices

From $231 USD
As of November 3, 2026
Save $2,075 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,306 USD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG840634416 or 840634416. Listed at 21 retailers as of November 3, 2026, with prices from $231 to $2,306, a $2,075 spread on the same certified stone. Helzberg Diamonds lists it at $2,306. 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 angle35.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634416
Dimensions8.54 × 5.92 × 3.74 mm
L/W Ratio1.44
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
8.54 mm5.92 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634416
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,306 USD|Low: $231 USD|High: $2,565 USD|Avg: $883 USD
Helzberg Diamonds
Retailer 2
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Retailer 21
November 4, 2026
Retailer 18$231 USD
Retailer 15$259 USD
Retailer 21$268 USD
Retailer 7$286 USD
Retailer 2$294 USD
Retailer 12$294 USD
Retailer 16$486 USD
Retailer 10$504 USD
Retailer 8$507 USD
Retailer 14$533 USD
Retailer 17$534 USD
Retailer 20$751 USD
Retailer 19$920 USD
Retailer 3$924 USD
Retailer 5$953 USD
Retailer 4$972 USD
Retailer 6$1,027 USD
Retailer 9$1,177 USD
Retailer 13$1,565 USD
Retailer 11$1,960 USD
Helzberg Diamonds$2,306 USD

17 data points across 21 retailers

21 retailers$231 USD to $2,306 USD

A+
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$259 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
-
$294 USD
View
A
Retailer 7
-
$486 USD
View
A
Retailer 8
-
$504 USD
View
A
Retailer 9
-
$507 USD
View
A
Retailer 10
-
$533 USD
View
A
Retailer 11
-
$534 USD
View
B+
Retailer 12
-
$751 USD
View
B+
Retailer 13
-
$920 USD
View
B+
Retailer 14
-
$924 USD
View
B+
Retailer 15
-
$953 USD
View
B+
Retailer 16
-
$972 USD
View
B+
Retailer 17
-
$1,027 USD
View
B+
Retailer 18
-
$1,177 USD
View
B+
Retailer 19
-
$1,565 USD
View
B
Retailer 20
-
$1,960 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKKHM · Nov 4
$2,306 USD
View
20 more retailers have this diamond
Prices start from $231 USDSave up to $2,075 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