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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683865

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683865

Diamond specifications and retailer prices

From $426 USD
As of November 1, 2026
Save $3,969 USD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,430 USD at Brilliant Earth · As of October 31, 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 LG839683865 or 839683865. Listed at 25 retailers as of October 30, 2026, with a 932% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683865
Dimensions9.36 × 6.47 × 4.07 mm
L/W Ratio1.45
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
9.36 mm6.47 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683865
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

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 1
Current: $5,430 USD|Low: $409 USD|High: $5,430 USD|Avg: $1,359 USD
Brilliant Earth
Retailer 2
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Retailer 25
November 1, 2026
Retailer 24$426 USD
Retailer 4$477 USD
Retailer 8$528 USD
Retailer 25$528 USD
Retailer 10$537 USD
Retailer 13$558 USD
Retailer 22$630 USD
Retailer 14$741 USD
Retailer 20$804 USD
Retailer 16$840 USD
Retailer 23$843 USD
Retailer 19$863 USD
Retailer 21$907 USD
Retailer 7$1,089 USD
Retailer 12$1,159 USD
Retailer 3$1,639 USD
Retailer 9$1,696 USD
Retailer 6$1,729 USD
Retailer 11$1,750 USD
Retailer 5$1,913 USD
Retailer 2$1,938 USD
Retailer 18$2,282 USD
Retailer 17$2,428 USD
Retailer 15$4,395 USD
Brilliant Earth$5,430 USD

30 data points across 25 retailers

25 retailers$426 USD to $4,395 USD

A
Cheapest Retailer
-
$426 USD
A
Retailer 2
-
$477 USD
View
Retailer 3
-
$528 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$528 USD
View
A
Retailer 5
-
$537 USD
View
Final sale: no returns
A
Retailer 6
-
$558 USD
£439 GBP
View
A
Retailer 7
-
$630 USD
View
A
Retailer 8
-
$741 USD
View
A
Retailer 9
-
$804 USD
€766 EUR
View
A
Retailer 10
-
$840 USD
View
A
Retailer 11
-
$843 USD
View
A
Retailer 12
-
$863 USD
£679 GBP
View
A
Retailer 13
-
$907 USD
ZAR 14,651 ZAR
View
B+
Retailer 14
-
$1,089 USD
View
B+
Retailer 15
-
$1,159 USD
View
B+
Retailer 16
-
$1,639 USD
View
B+
Retailer 17
-
$1,696 USD
View
B+
Retailer 18
-
$1,729 USD
View
B+
Retailer 19
-
$1,750 USD
CA$2,430 CAD
View
B
Retailer 20
-
$1,913 USD
View
B+
Retailer 21
-
$1,938 USD
£1,526 GBP
View
B
Retailer 22
-
$2,282 USD
View
B
Retailer 23
-
$2,428 USD
View
B
Retailer 24
-
$4,395 USD
View
Most Expensive
Brilliant Earth
21790191A · Oct 31
$5,430 USD
View
Price under review
24 more retailers have this diamond
Prices start from $426 USDSave up to $3,969 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
$426 USD