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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG804605004

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804605004

Diamond specifications and retailer prices

From $457 USD
As of November 3, 2026
Save $3,938 USD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $5,390 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct 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 LG804605004 or 804605004. Listed at 28 retailers as of November 3, 2026, with a 862% 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

1.54
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804605004
Dimensions9.79 × 6.51 × 3.92 mm
L/W Ratio1.50
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
9.79 mm6.51 mm1.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804605004
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 3
Current: $5,390 USD|Low: $439 USD|High: $5,390 USD|Avg: $1,738 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
November 4, 2026
Retailer 3$457 USD
Retailer 18$511 USD
Retailer 11$512 USD
Retailer 7$567 USD
Retailer 13$710 USD
Retailer 5$840 USD
Retailer 17$912 USD
Retailer 6$947 USD
Retailer 19$971 USD
Retailer 12$1,031 USD
Retailer 15$1,078 USD
Retailer 9$1,640 USD
Retailer 10$1,646 USD
Retailer 4$1,949 USD
Retailer 14$2,153 USD
Retailer 16$2,611 USD
Retailer 2$3,500 USD
Retailer 8$4,395 USD
Brilliant Earth$5,390 USD

40 data points across 19 retailers

28 retailers$457 USD to $4,395 USD

A
Cheapest Retailer
-
$457 USD
Retailer 2
-
$457 USD
View
Price last confirmed 42 days ago
A
Retailer 3
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$511 USD
View
Final sale: no returns
A
Retailer 4
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$512 USD
View
Retailer 5
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$559 USD
View
Price last confirmed 43 days ago
A
Retailer 6
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$567 USD
View
Retailer 7
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$567 USD
View
Price last confirmed 19 days ago
A
Retailer 8
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$644 USD
View
A
Retailer 9
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$710 USD
View
A
Retailer 10
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$840 USD
View
A
Retailer 11
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$851 USD
View
A
Retailer 12
-
$912 USD
View
A
Retailer 13
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$947 USD
View
B+
Retailer 14
-
$971 USD
View
A
Retailer 15
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$1,031 USD
View
B+
Retailer 16
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$1,078 USD
View
B+
Retailer 17
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$1,389 USD
View
B+
Retailer 18
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$1,640 USD
View
B+
Retailer 19
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$1,646 USD
View
B
Retailer 20
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$1,749 USD
View
B
Retailer 21
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$1,949 USD
View
B
Retailer 22
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$2,002 USD
View
B
Retailer 23
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$2,153 USD
View
B
Retailer 24
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$2,428 USD
View
B
Retailer 25
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$2,611 USD
View
B
Retailer 26
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$3,500 USD
View
B
Retailer 27
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$4,395 USD
View
Most Expensive
Brilliant Earth
21157904Y · Nov 4
$5,390 USD
View
Price under review
27 more retailers have this diamond
Prices start from $457 USDSave up to $3,938 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
1.54ct Oval
$457 USD