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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG800685666

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800685666

Diamond specifications and retailer prices

From $349 USD
As of October 29, 2026
Save $3,261 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,985 USD at Rare Carat · As of October 5, 2026
View at Rare Carat

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 LG800685666 or 800685666. Listed at 16 retailers as of October 29, 2026, with a 934% 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 angle33.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685666
Dimensions9.54 × 6.41 × 3.95 mm
L/W Ratio1.49
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
9.54 mm6.41 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685666
Side View
Table 62.0%Crown 33.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.6%

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: Oct 29
Current: $3,985 USD|Low: $349 USD|High: $6,060 USD|Avg: $1,759 USD|+5.1%
Rare Carat
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 31, 2026
Retailer 15$349 USD
Retailer 4$422 USD
Retailer 8$534 USD
Retailer 12$599 USD
Retailer 5$665 USD
Retailer 14$695 USD
Retailer 17$835 USD
Retailer 11$848 USD
Retailer 6$1,013 USD
Retailer 2$1,269 USD
Retailer 3$1,601 USD
Retailer 18$1,948 USD
Retailer 10$2,086 USD
Retailer 9$2,262 USD
Retailer 7$2,737 USD
Retailer 16$3,230 USD
Retailer 13$3,610 USD
Rare Carat$3,985 USD

28 data points across 18 retailers

16 retailers$349 USD to $3,610 USD

A+
Cheapest Retailer
-
$349 USD
A
Retailer 2
-
$422 USD
View
A
Retailer 3
-
$534 USD
View
Final sale: no returns
A
Retailer 4
-
$599 USD
View
A
Retailer 5
-
$665 USD
View
A
Retailer 6
-
$695 USD
View
A
Retailer 7
-
$835 USD
€795 EUR
View
A
Retailer 8
-
$848 USD
View
B+
Retailer 9
-
$1,013 USD
A$1,558 AUD
View
B+
Retailer 10
-
$1,269 USD
View
B+
Retailer 11
-
$1,601 USD
View
B+
Retailer 12
-
$1,948 USD
£1,534 GBP
View
B
Retailer 13
-
$2,737 USD
View
B
Retailer 14
-
$3,230 USD
View
Retailer 15
-
$3,610 USD
View
Most Expensive
Rare Carat
P86K-34 · Oct 5
$3,985 USD
View
Price last confirmed 26 days ago
15 more retailers have this diamond
Prices start from $349 USDSave up to $3,261 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
$349 USD