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Oval|Lab Grown|IGI

1.51ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG756574081

Certificate IGI LG756574081

Diamond specifications and retailer prices

From $465 USD
Save $4,515 USD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,980 USD at Brilliant Earth
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG756574081 or 756574081. Listed at 26 retailers, with prices from $465 to $4,980 at Brilliant Earth, a $4,515 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756574081
Dimensions6.35 × 6.35 × 9.36 mm
L/W Ratio1.00
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
6.35 mm6.35 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756574081
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $4,980 USD|Low: $465 USD|High: $4,980 USD|Avg: $1,515 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 8$465 USD
Retailer 4$521 USD
Retailer 11$521 USD
Retailer 10$569 USD
Retailer 14$577 USD
Retailer 18$772 USD
Retailer 6$812 USD
Retailer 19$870 USD
Retailer 15$883 USD
Retailer 20$948 USD
Retailer 3$954 USD
Retailer 23$971 USD
Retailer 16$1,067 USD
Retailer 7$1,226 USD
Retailer 21$1,347 USD
Retailer 12$1,676 USD
Retailer 5$1,826 USD
Retailer 24$1,854 USD
Retailer 2$1,931 USD
Retailer 17$2,040 USD
Retailer 13$2,144 USD
Retailer 9$2,211 USD
Retailer 22$2,535 USD
Brilliant Earth$4,980 USD

40 data points across 24 retailers

26 retailers$465 USD to $4,980 USD

A
Cheapest Retailer
-
$465 USD
A
Retailer 2
-
$521 USD
View
A
Retailer 3
-
$521 USD
View
A
Retailer 4
-
$569 USD
View
A
Retailer 5
-
$577 USD
View
A
Retailer 6
-
$772 USD
View
A
Retailer 7
-
$812 USD
View
B+
Retailer 8
-
$870 USD
View
A
Retailer 9
-
$883 USD
A$1,358 AUD
View
A
Retailer 10
-
$950 USD
£748 GBP
View
A
Retailer 11
-
$954 USD
€909 EUR
View
B+
Retailer 12
-
$971 USD
ZAR 15,680 ZAR
View
B+
Retailer 13
-
$1,067 USD
View
B+
Retailer 14
-
$1,226 USD
View
B+
Retailer 15
-
$1,347 USD
A$2,072 AUD
View
B
Retailer 16
-
$1,676 USD
£1,320 GBP
View
B
Retailer 17
-
$1,826 USD
SGD 2,468 SGD
View
B
Retailer 18
-
$1,854 USD
View
B
Retailer 19
-
$1,884 USD
View
B+
Retailer 20
-
$1,931 USD
A$2,970 AUD
View
B
Retailer 21
-
$2,040 USD
View
B
Retailer 22
-
$2,144 USD
£1,688 GBP
View
B
Retailer 23
-
$2,211 USD
View
B
Retailer 24
-
$2,340 USD
View
B
Retailer 25
-
$2,535 USD
View
Most Expensive
B
Brilliant Earth
18183698A · Sep 29
$4,980 USD
View
25 more retailers have this diamond
Prices start from $465 USDSave up to $4,515 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.

A
1.51ct Oval
$465 USD