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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840635018

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840635018

Diamond specifications and retailer prices

From $302 USD
As of October 29, 2026
Save $3,338 USD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,640 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG840635018 or 840635018. Listed at 21 retailers as of October 28, 2026, with prices from $302 to $3,640, a $3,338 spread on the same certified stone. Rare Carat lists it at $3,640. 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 angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635018
Dimensions9.29 × 6.45 × 3.95 mm
L/W Ratio1.44
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
9.29 mm6.45 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635018
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $3,640 USD|Low: $302 USD|High: $3,640 USD|Avg: $1,182 USD
Rare Carat
Retailer 2
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Retailer 22
October 30, 2026
Retailer 5$302 USD
Retailer 4$338 USD
Retailer 20$350 USD
Retailer 3$374 USD
Retailer 19$374 USD
Retailer 18$565 USD
Retailer 9$611 USD
Retailer 10$633 USD
Retailer 6$639 USD
Retailer 17$643 USD
Retailer 13$665 USD
Retailer 21$1,017 USD
Retailer 22$1,150 USD
Retailer 8$1,203 USD
Retailer 7$1,250 USD
Retailer 14$1,256 USD
Retailer 12$1,268 USD
Retailer 15$1,320 USD
Retailer 16$1,507 USD
Retailer 2$2,600 USD
Retailer 11$2,825 USD
Rare Carat$3,640 USD

15 data points across 22 retailers

21 retailers$302 USD to $3,640 USD

A
Cheapest Retailer
-
$302 USD
A
Retailer 2
-
$338 USD
View
Final sale: no returns
A
Retailer 3
-
$350 USD
View
A
Retailer 4
-
$374 USD
View
A
Retailer 5
-
$374 USD
View
A
Retailer 6
-
$565 USD
View
A
Retailer 7
-
$611 USD
View
A
Retailer 8
-
$633 USD
View
A
Retailer 9
-
$643 USD
ZAR 10,389 ZAR
View
A
Retailer 10
-
$665 USD
£523 GBP
View
B+
Retailer 11
-
$1,017 USD
View
B+
Retailer 12
-
$1,150 USD
View
B+
Retailer 13
-
$1,203 USD
View
B+
Retailer 14
-
$1,250 USD
View
B+
Retailer 15
-
$1,256 USD
View
B+
Retailer 16
-
$1,268 USD
SGD 1,713 SGD
View
B+
Retailer 17
-
$1,320 USD
View
B+
Retailer 18
-
$1,507 USD
£1,187 GBP
View
B
Retailer 19
-
$2,600 USD
View
B
Retailer 20
-
$2,825 USD
View
Most Expensive
B
Rare Carat
PD-257438 · Oct 28
$3,640 USD
View
20 more retailers have this diamond
Prices start from $302 USDSave up to $3,338 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
$302 USD