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Oval|Lab Grown|IGI

1.20ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG813651477

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813651477

Diamond specifications and retailer prices

From $283 USD
As of November 4, 2026
Save $3,157 USD (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,440 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 LG813651477 or 813651477. Listed at 25 retailers as of November 4, 2026, with prices from $283 to $3,440, a $3,157 spread on the same certified stone. Brilliant Earth lists it at $3,440. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651477
Dimensions8.78 × 5.95 × 3.73 mm
L/W Ratio1.48
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
8.78 mm5.95 mm1.20 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651477
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
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 4
Current: $1,555 USD|Low: $283 USD|High: $2,590 USD|Avg: $974 USD|-40.0%
Retailer 1
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Retailer 23
November 4, 2026
Retailer 7$283 USD
Retailer 15$325 USD
Retailer 11$347 USD
Retailer 13$347 USD
Retailer 8$421 USD
Retailer 22$475 USD
Retailer 21$546 USD
Retailer 6$593 USD
Retailer 19$598 USD
Retailer 12$605 USD
Retailer 5$691 USD
Retailer 16$723 USD
Retailer 23$966 USD
Retailer 17$1,054 USD
Retailer 18$1,085 USD
Retailer 14$1,165 USD
Retailer 10$1,356 USD
Retailer 9$1,362 USD
Retailer 20$1,390 USD
Retailer 2$1,400 USD
Retailer 1$1,555 USD
Retailer 4$2,250 USD
Retailer 3$2,322 USD

35 data points across 23 retailers

25 retailers$283 USD to $3,440 USD

A
Cheapest Retailer
-
$283 USD
Final sale: no returns
Retailer 2
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$325 USD
View
Price last confirmed 26 days ago
Retailer 3
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$347 USD
View
Price last confirmed 20 days ago
Retailer 4
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$347 USD
View
Price last confirmed 19 days ago
Retailer 5
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$377 USD
View
Price last confirmed 23 days ago
A
Retailer 6
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$421 USD
View
A
Retailer 7
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$475 USD
View
A
Retailer 8
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$546 USD
View
A
Retailer 9
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$593 USD
View
A
Retailer 10
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$598 USD
View
A
Retailer 11
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$605 USD
View
B+
Retailer 12
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$622 USD
View
B+
Retailer 13
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$966 USD
View
B
Retailer 14
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$1,054 USD
View
B+
Retailer 15
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$1,085 USD
View
B+
Retailer 16
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$1,165 USD
View
Retailer 17
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$1,296 USD
View
Price last confirmed 29 days ago
Retailer 18
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$1,356 USD
View
Price last confirmed 19 days ago
B
Retailer 19
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$1,362 USD
View
B+
Retailer 20
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$1,390 USD
View
B
Retailer 21
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$1,400 USD
View
B
Retailer 22
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$1,555 USD
View
B
Retailer 23
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$2,250 USD
View
B
Retailer 24
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$2,322 USD
View
Most Expensive
B
Brilliant Earth
22402922A · Nov 4
$3,440 USD
View
24 more retailers have this diamond
Prices start from $283 USDSave up to $3,157 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
$283 USD