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Oval|Lab Grown|IGI

1.51ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG741524340

Certificate IGI LG741524340

Diamond specifications and retailer prices

From $333 USD
Save $4,637 USD (93%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,970 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 LG741524340 or 741524340. Listed at 27 retailers, with prices from $333 to $4,970 at Brilliant Earth, a $4,637 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741524340
Dimensions9.12 × 6.49 × 4.13 mm
L/W Ratio1.41
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
9.12 mm6.49 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741524340
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.6%

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: Oct 1
Current: $4,970 USD|Low: $237 USD|High: $4,970 USD|Avg: $1,202 USD
Brilliant Earth
Retailer 2
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Retailer 23
October 1, 2026
Retailer 2$333 USD
Retailer 8$365 USD
Retailer 18$428 USD
Retailer 19$435 USD
Retailer 11$560 USD
Retailer 23$592 USD
Retailer 21$627 USD
Retailer 4$629 USD
Retailer 13$649 USD
Retailer 10$831 USD
Retailer 20$858 USD
Retailer 6$1,009 USD
Retailer 9$1,037 USD
Retailer 7$1,201 USD
Retailer 15$1,236 USD
Retailer 3$1,245 USD
Retailer 14$1,341 USD
Retailer 22$1,497 USD
Retailer 12$1,506 USD
Retailer 5$1,528 USD
Retailer 17$1,880 USD
Retailer 16$2,289 USD
Brilliant Earth$4,970 USD

40 data points across 23 retailers

27 retailers$333 USD to $4,970 USD

A
Retailer 1
-
$298 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$333 USD
View
A
Retailer 3
-
$346 USD
View
A
Retailer 4
-
$365 USD
View
B+
Retailer 5
-
$428 USD
View
A
Retailer 6
-
$435 USD
HK$3,400 HKD
View
A
Retailer 7
-
$560 USD
View
A
Retailer 8
-
$592 USD
€564 EUR
View
A
Retailer 9
-
$627 USD
ZAR 10,137 ZAR
View
A
Retailer 10
-
$629 USD
View
A
Retailer 11
-
$635 USD
£500 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
-
$649 USD
£511 GBP
View
A
Retailer 13
-
$831 USD
View
A
Retailer 14
-
$858 USD
A$1,320 AUD
View
A
Retailer 15
-
$1,009 USD
View
B+
Retailer 16
-
$1,037 USD
View
B+
Retailer 17
-
$1,188 USD
View
B+
Retailer 18
-
$1,226 USD
View
B+
Retailer 19
-
$1,236 USD
View
B+
Retailer 20
-
$1,245 USD
SGD 1,682 SGD
View
B+
Retailer 21
-
$1,341 USD
£1,056 GBP
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$1,497 USD
£1,179 GBP
View
B+
Retailer 23
-
$1,506 USD
View
B+
Retailer 24
-
$1,528 USD
View
B
Retailer 25
-
$1,880 USD
A$2,893 AUD
View
B
Retailer 26
-
$2,289 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
16163926A · Oct 1
$4,970 USD
View
26 more retailers have this diamond
Prices start from $333 USDSave up to $4,637 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
$333 USD