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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840619817

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840619817

Diamond specifications and retailer prices

From $302 USD
As of October 29, 2026
Save $3,328 USD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,630 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 LG840619817 or 840619817. Listed at 20 retailers as of October 28, 2026, with prices from $302 to $3,630, a $3,328 spread on the same certified stone. Rare Carat lists it at $3,630. 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 angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619817
Dimensions9.21 × 6.40 × 4.04 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
9.21 mm6.40 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619817
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.1°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 29
Current: $3,630 USD|Low: $302 USD|High: $3,660 USD|Avg: $964 USD|-0.8%
Rare Carat
Retailer 2
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Retailer 21
October 30, 2026
Retailer 7$302 USD
Retailer 6$337 USD
Retailer 20$350 USD
Retailer 5$374 USD
Retailer 19$374 USD
Retailer 13$386 USD
Retailer 18$505 USD
Retailer 8$607 USD
Retailer 2$611 USD
Retailer 4$633 USD
Retailer 17$642 USD
Retailer 15$664 USD
Retailer 21$1,017 USD
Retailer 3$1,149 USD
Retailer 12$1,198 USD
Retailer 10$1,202 USD
Retailer 9$1,249 USD
Retailer 14$1,315 USD
Retailer 16$1,506 USD
Retailer 11$1,518 USD
Rare Carat$3,630 USD

17 data points across 21 retailers

20 retailers$302 USD to $3,630 USD

A
Cheapest Retailer
-
$302 USD
A
Retailer 2
-
$337 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
-
$386 USD
£304 GBP
View
A
Retailer 7
-
$505 USD
View
A
Retailer 8
-
$611 USD
View
A
Retailer 9
-
$633 USD
View
A
Retailer 10
-
$642 USD
ZAR 10,379 ZAR
View
A
Retailer 11
-
$664 USD
£523 GBP
View
B+
Retailer 12
-
$1,017 USD
View
B+
Retailer 13
-
$1,149 USD
View
B+
Retailer 14
-
$1,198 USD
SGD 1,619 SGD
View
B+
Retailer 15
-
$1,202 USD
View
B+
Retailer 16
-
$1,249 USD
View
B+
Retailer 17
-
$1,315 USD
View
B+
Retailer 18
-
$1,506 USD
£1,186 GBP
View
B+
Retailer 19
-
$1,518 USD
View
Most Expensive
B
Rare Carat
M20A-22_l_840619817 · Oct 28
$3,630 USD
View
19 more retailers have this diamond
Prices start from $302 USDSave up to $3,328 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