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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG837626387

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837626387

Diamond specifications and retailer prices

From $605 USD
As of October 30, 2026
Save $3,815 USD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,420 USD at Brilliant Earth · As of October 29, 2026
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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837626387 or 837626387. Listed at 14 retailers as of October 29, 2026, with prices from $605 to $4,420, a $3,815 spread on the same certified stone. Brilliant Earth lists it at $4,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837626387
Dimensions9.03 × 6.50 × 4.10 mm
L/W Ratio1.39
Girdle conditionFaceted
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
9.03 mm6.50 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837626387
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $693 USD|Low: $605 USD|High: $2,814 USD|Avg: $1,458 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 13$605 USD
Retailer 1$693 USD
Retailer 9$720 USD
Retailer 6$900 USD
Retailer 4$1,017 USD
Retailer 7$1,045 USD
Retailer 3$1,099 USD
Retailer 8$1,153 USD
Retailer 12$1,731 USD
Retailer 14$2,122 USD
Retailer 10$2,160 USD
Retailer 5$2,177 USD
Retailer 11$2,281 USD
Retailer 2$2,814 USD

13 data points across 14 retailers

14 retailers$605 USD to $4,420 USD

A
Cheapest Retailer
-
$605 USD
Final sale: no returns
A
Retailer 2
-
$693 USD
£545 GBP
View
A
Retailer 3
-
$720 USD
View
A
Retailer 4
-
$900 USD
View
B+
Retailer 5
-
$1,045 USD
£823 GBP
View
B+
Retailer 6
-
$1,099 USD
View
B+
Retailer 7
-
$1,153 USD
ZAR 18,619 ZAR
View
B
Retailer 8
-
$1,731 USD
View
B
Retailer 9
-
$2,122 USD
SGD 2,868 SGD
View
B
Retailer 10
-
$2,160 USD
View
B
Retailer 11
-
$2,177 USD
View
B
Retailer 12
-
$2,281 USD
View
Retailer 13
-
$2,814 USD
£2,216 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
22228223A · Oct 29
$4,420 USD
View
13 more retailers have this diamond
Prices start from $605 USDSave up to $3,815 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Oval
$605 USD