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Oval|Lab Grown|IGI

1.51ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG640482965

Certificate IGI LG640482965

Diamond specifications and retailer prices

From $270 USD
Save $3,320 USD (92%) vs most expensive(unlock to see where)
26 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 LG640482965 or 640482965. Listed at 26 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 angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640482965
Dimensions9.33 × 6.52 × 4.06 mm
L/W Ratio1.43
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
9.33 mm6.52 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640482965
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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: $4,480 USD|Avg: $1,174 USD|-19.9%
Brilliant Earth
Retailer 2
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Retailer 22
October 1, 2026
Retailer 16$321 USD
Retailer 7$330 USD
Retailer 13$428 USD
Retailer 17$490 USD
Retailer 11$499 USD
Retailer 3$592 USD
Retailer 5$597 USD
Retailer 21$627 USD
Retailer 18$647 USD
Retailer 6$783 USD
Retailer 8$831 USD
Retailer 20$858 USD
Retailer 10$939 USD
Retailer 12$1,352 USD
Retailer 9$1,408 USD
Retailer 14$1,414 USD
Retailer 4$1,448 USD
Retailer 22$1,497 USD
Retailer 2$1,880 USD
Retailer 15$2,400 USD
Retailer 19$2,430 USD
Brilliant Earth$3,590 USD

39 data points across 22 retailers

26 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
B+
Retailer 5
-
$428 USD
View
A
Retailer 6
-
$490 USD
View
A
Retailer 7
-
$499 USD
HK$3,900 HKD
View
A
Retailer 8
-
$592 USD
€564 EUR
View
A
Retailer 9
-
$597 USD
View
A
Retailer 10
-
$627 USD
ZAR 10,137 ZAR
View
A
Retailer 11
-
$635 USD
£500 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$649 USD
£511 GBP
View
A
Retailer 13
-
$783 USD
View
A
Retailer 14
-
$831 USD
View
A
Retailer 15
-
$858 USD
A$1,320 AUD
View
A
Retailer 16
-
$939 USD
View
B+
Retailer 17
-
$1,188 USD
View
B+
Retailer 18
-
$1,352 USD
View
B+
Retailer 19
-
$1,408 USD
View
B+
Retailer 20
-
$1,414 USD
View
B+
Retailer 21
-
$1,448 USD
SGD 1,957 SGD
View
B+
Retailer 22
-
$1,497 USD
£1,179 GBP
View
B+
Retailer 23
-
$1,880 USD
A$2,893 AUD
View
B
Retailer 24
-
$2,400 USD
View
B
Retailer 25
-
$2,430 USD
View
Most Expensive
B
Brilliant Earth
13057159Y · Sep 29
$3,590 USD
View
25 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