Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG646485551

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG646485551

Diamond specifications and retailer prices

From $306 USD
As of October 30, 2026
Save $2,344 USD (88%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $2,665 USD at Rare Carat · As of October 21, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG646485551 or 646485551. Listed at 34 retailers as of October 30, 2026, with a 766% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646485551
Dimensions9.51 × 6.48 × 4.05 mm
L/W Ratio1.47
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
9.51 mm6.48 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646485551
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: Oct 30
Current: $2,665 USD|Low: $306 USD|High: $3,330 USD|Avg: $1,149 USD|-1.7%
Rare Carat
Retailer 2
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Retailer 5
Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 19
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Retailer 22
October 31, 2026
Retailer 14$306 USD
Retailer 22$470 USD
Retailer 11$486 USD
Retailer 3$500 USD
Retailer 19$583 USD
Retailer 8$585 USD
Retailer 18$608 USD
Retailer 2$625 USD
Retailer 9$701 USD
Retailer 10$793 USD
Retailer 4$809 USD
Retailer 17$823 USD
Retailer 21$985 USD
Retailer 6$1,260 USD
Retailer 12$1,303 USD
Retailer 5$1,378 USD
Retailer 15$1,396 USD
Retailer 20$1,420 USD
Retailer 13$1,895 USD
Retailer 7$2,300 USD
Retailer 16$2,650 USD
Rare Carat$2,665 USD

35 data points across 22 retailers

34 retailers$306 USD to $2,650 USD

Retailer 1
-
$275 USD
Price last confirmed 33 days ago
Retailer 2
-
$300 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$306 USD
View
Final sale: no returns
Retailer 4
-
$319 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$321 USD
View
Retailer 6
-
$321 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$321 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$336 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$470 USD
View
A
Retailer 10
-
$486 USD
HK$3,800 HKD
View
A
Retailer 11
-
$500 USD
View
A
Retailer 12
-
$583 USD
€555 EUR
View
A
Retailer 13
-
$585 USD
View
A
Retailer 14
-
$608 USD
ZAR 9,821 ZAR
View
A
Retailer 15
-
$625 USD
£492 GBP
View
A
Retailer 16
-
$701 USD
A$1,078 AUD
View
A
Retailer 17
-
$793 USD
View
A
Retailer 18
-
$809 USD
View
A
Retailer 19
-
$823 USD
A$1,266 AUD
View
B+
Retailer 20
-
$985 USD
View
Retailer 21
-
$1,137 USD
View
Price last confirmed 21 days ago
Retailer 22
-
$1,209 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
-
$1,260 USD
View
B+
Retailer 24
-
$1,303 USD
View
B+
Retailer 25
-
$1,378 USD
View
B+
Retailer 26
-
$1,396 USD
SGD 1,886 SGD
View
B+
Retailer 27
-
$1,420 USD
£1,118 GBP
View
B+
Retailer 28
-
$1,895 USD
A$2,915 AUD
View
B
Retailer 29
-
$2,300 USD
View
Retailer 30
-
$2,400 USD
View
Price last confirmed 13 days ago
Retailer 31
-
$2,545 USD
View
Price last confirmed 10 days ago
B
Retailer 32
-
$2,650 USD
View
Retailer 33
-
$2,665 USD
View
Price last confirmed 10 days ago
Most Expensive
Rare Carat
ES-AA-48980_l_678549223 · Oct 21
$2,665 USD
View
Price last confirmed 10 days ago
33 more retailers have this diamond
Prices start from $306 USDSave up to $2,344 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
$306 USD