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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG770634094

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770634094

Diamond specifications and retailer prices

From $329 USD
As of November 3, 2026
Save $4,066 USD (93%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,420 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 LG770634094 or 770634094. Listed at 25 retailers as of November 3, 2026, with a 1236% 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 angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634094
Dimensions9.35 × 6.53 × 4.10 mm
L/W Ratio1.43
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
9.35 mm6.53 mm1.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634094
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

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: $5,420 USD|Low: $329 USD|High: $5,430 USD|Avg: $1,588 USD|-0.2%
Brilliant Earth
Retailer 2
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Retailer 24
November 4, 2026
Retailer 3$329 USD
Retailer 10$367 USD
Retailer 23$381 USD
Retailer 11$408 USD
Retailer 15$408 USD
Retailer 6$543 USD
Retailer 21$560 USD
Retailer 22$693 USD
Retailer 18$775 USD
Retailer 2$803 USD
Retailer 4$824 USD
Retailer 24$1,195 USD
Retailer 5$1,446 USD
Retailer 17$1,450 USD
Retailer 14$1,500 USD
Retailer 8$1,598 USD
Retailer 9$1,603 USD
Retailer 13$1,728 USD
Retailer 12$1,752 USD
Retailer 20$1,757 USD
Retailer 7$2,920 USD
Retailer 19$3,970 USD
Retailer 16$4,395 USD
Brilliant Earth$5,420 USD

39 data points across 24 retailers

25 retailers$329 USD to $4,395 USD

A
Cheapest Retailer
-
$329 USD
A
Retailer 2
-
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$381 USD
View
A
Retailer 4
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$408 USD
View
Retailer 5
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$408 USD
View
Price last confirmed 10 days ago
A
Retailer 6
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$543 USD
View
A
Retailer 7
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$560 USD
View
Retailer 8
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$693 USD
View
Price last confirmed 10 days ago
A
Retailer 9
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$775 USD
View
A
Retailer 10
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$803 USD
View
A
Retailer 11
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$824 USD
View
B+
Retailer 12
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$1,195 USD
View
B+
Retailer 13
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$1,339 USD
View
B+
Retailer 14
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$1,446 USD
View
B+
Retailer 15
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$1,450 USD
View
B+
Retailer 16
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$1,500 USD
View
B+
Retailer 17
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$1,598 USD
View
B+
Retailer 18
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$1,603 USD
View
B
Retailer 19
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$1,728 USD
View
B
Retailer 20
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$1,752 USD
View
B+
Retailer 21
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$1,757 USD
View
B
Retailer 22
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$2,920 USD
View
B
Retailer 23
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$3,970 USD
View
B
Retailer 24
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$4,395 USD
View
Most Expensive
Brilliant Earth
18741801A · Nov 4
$5,420 USD
View
Price under review
24 more retailers have this diamond
Prices start from $329 USDSave up to $4,066 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
$329 USD