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Oval|Lab Grown|IGI

1.51ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG731527653

Certificate IGI LG731527653

Diamond specifications and retailer prices

From $379 USD
Save $4,601 USD (92%) vs most expensive(unlock to see where)
28 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 LG731527653 or 731527653. Listed at 28 retailers, with prices from $379 to $4,980 at Brilliant Earth, a $4,601 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731527653
Dimensions9.04 × 6.45 × 4.05 mm
L/W Ratio1.40
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
9.04 mm6.45 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731527653
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

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: $299 USD|High: $4,980 USD|Avg: $1,342 USD
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 24$379 USD
Retailer 15$424 USD
Retailer 11$425 USD
Retailer 12$464 USD
Retailer 4$470 USD
Retailer 2$502 USD
Retailer 21$632 USD
Retailer 6$708 USD
Retailer 22$710 USD
Retailer 5$715 USD
Retailer 17$759 USD
Retailer 26$791 USD
Retailer 23$840 USD
Retailer 7$1,037 USD
Retailer 20$1,077 USD
Retailer 25$1,091 USD
Retailer 9$1,481 USD
Retailer 3$1,511 USD
Retailer 16$1,549 USD
Retailer 19$1,676 USD
Retailer 8$1,765 USD
Retailer 10$1,857 USD
Retailer 13$1,880 USD
Retailer 14$1,926 USD
Retailer 18$2,342 USD
Brilliant Earth$4,980 USD

23 data points across 26 retailers

28 retailers$379 USD to $4,980 USD

A
Cheapest Retailer
-
$379 USD
A
Retailer 2
-
$424 USD
View
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$464 USD
View
A
Retailer 5
-
$470 USD
View
A
Retailer 6
-
$502 USD
£395 GBP
View
A
Retailer 7
-
$632 USD
View
A
Retailer 8
-
$708 USD
€674 EUR
View
A
Retailer 9
-
$710 USD
View
A
Retailer 10
-
$715 USD
View
A
Retailer 11
-
$759 USD
A$1,168 AUD
View
A
Retailer 12
-
$791 USD
ZAR 12,778 ZAR
View
A
Retailer 13
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$840 USD
£662 GBP
View
A
Retailer 14
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$1,011 USD
View
A
Retailer 15
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$1,037 USD
View
B+
Retailer 16
-
$1,077 USD
View
B+
Retailer 17
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$1,091 USD
A$1,678 AUD
View
B+
Retailer 18
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$1,511 USD
View
B+
Retailer 19
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$1,511 USD
View
B+
Retailer 20
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$1,549 USD
View
B+
Retailer 21
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$1,676 USD
£1,320 GBP
View
Price last confirmed 37 days ago
B+
Retailer 22
-
$1,765 USD
View
B+
Retailer 23
-
$1,779 USD
View
B+
Retailer 24
-
$1,857 USD
£1,462 GBP
View
B+
Retailer 25
-
$1,880 USD
A$2,893 AUD
View
B
Retailer 26
-
$1,926 USD
View
B
Retailer 27
-
$2,342 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
15662378A · Oct 1
$4,980 USD
View
27 more retailers have this diamond
Prices start from $379 USDSave up to $4,601 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
$379 USD