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Oval|Lab Grown|IGI

1.51ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG726533150

Certificate IGI LG726533150

Diamond specifications and retailer prices

From $270 USD
Save $3,320 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,590 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 LG726533150 or 726533150. Listed at 27 retailers, with prices from $270 to $3,590 at Brilliant Earth, a $3,320 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 angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726533150
Dimensions9.25 × 6.43 × 4.03 mm
L/W Ratio1.44
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
9.25 mm6.43 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726533150
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $3,590 USD|Low: $214 USD|High: $3,590 USD|Avg: $1,028 USD
Brilliant Earth
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Retailer 26
October 1, 2026
Retailer 10$270 USD
Retailer 5$313 USD
Retailer 21$321 USD
Retailer 12$330 USD
Retailer 13$394 USD
Retailer 20$428 USD
Retailer 9$495 USD
Retailer 22$499 USD
Retailer 6$592 USD
Retailer 8$597 USD
Retailer 3$627 USD
Retailer 23$647 USD
Retailer 11$783 USD
Retailer 15$831 USD
Retailer 26$858 USD
Retailer 14$939 USD
Retailer 4$1,188 USD
Retailer 19$1,352 USD
Retailer 17$1,408 USD
Retailer 18$1,414 USD
Retailer 7$1,448 USD
Retailer 2$1,499 USD
Retailer 24$1,859 USD
Retailer 16$2,400 USD
Retailer 25$2,430 USD
Brilliant Earth$3,590 USD

40 data points across 26 retailers

27 retailers$270 USD to $3,590 USD

A
Cheapest Retailer
-
$270 USD
A
Retailer 2
-
$313 USD
View
A
Retailer 3
-
$321 USD
View
A
Retailer 4
-
$330 USD
View
A
Retailer 5
-
$394 USD
£311 GBP
View
B+
Retailer 6
-
$428 USD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$499 USD
HK$3,900 HKD
View
A
Retailer 9
-
$592 USD
€564 EUR
View
A
Retailer 10
-
$597 USD
View
A
Retailer 11
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$627 USD
ZAR 10,137 ZAR
View
A
Retailer 12
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$635 USD
£500 GBP
View
Price last confirmed 21 days ago
A
Retailer 13
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$649 USD
£511 GBP
View
A
Retailer 14
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$783 USD
View
A
Retailer 15
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$831 USD
View
A
Retailer 16
-
$858 USD
A$1,320 AUD
View
A
Retailer 17
-
$939 USD
View
B+
Retailer 18
-
$1,188 USD
View
B+
Retailer 19
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$1,352 USD
View
B+
Retailer 20
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$1,408 USD
View
B+
Retailer 21
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$1,414 USD
View
B+
Retailer 22
-
$1,448 USD
SGD 1,957 SGD
View
B+
Retailer 23
-
$1,499 USD
£1,180 GBP
View
B
Retailer 24
-
$1,859 USD
A$2,860 AUD
View
B
Retailer 25
-
$2,400 USD
View
B
Retailer 26
-
$2,430 USD
View
Most Expensive
B
Brilliant Earth
17199141Y · Sep 29
$3,590 USD
View
26 more retailers have this diamond
Prices start from $270 USDSave up to $3,320 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
$270 USD