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Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG749573316

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG749573316

Diamond specifications and retailer prices

From $253 USD
As of October 29, 2026
Save $3,177 USD (93%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,430 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.31ct lab-grown oval diamond

This 1.31ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749573316 or 749573316. Listed at 20 retailers as of October 29, 2026, with prices from $253 to $3,430, a $3,177 spread on the same certified stone. Brilliant Earth lists it at $3,430. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749573316
Dimensions9.04 × 6.17 × 3.73 mm
L/W Ratio1.47
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
9.04 mm6.17 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749573316
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 60.5%

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: $3,430 USD|Low: $253 USD|High: $3,430 USD|Avg: $873 USD
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
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Retailer 19
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Retailer 21
October 30, 2026
Retailer 4$253 USD
Retailer 6$283 USD
Retailer 18$294 USD
Retailer 9$314 USD
Retailer 17$314 USD
Retailer 16$475 USD
Retailer 21$526 USD
Retailer 11$537 USD
Retailer 15$540 USD
Retailer 20$570 USD
Retailer 2$598 USD
Retailer 14$870 USD
Retailer 5$905 USD
Retailer 3$966 USD
Retailer 8$1,010 USD
Retailer 12$1,052 USD
Retailer 7$1,062 USD
Retailer 19$1,219 USD
Retailer 13$1,266 USD
Retailer 10$2,590 USD
Brilliant Earth$3,430 USD

34 data points across 21 retailers

20 retailers$253 USD to $3,430 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
A
Retailer 4
-
$314 USD
View
A
Retailer 5
-
$314 USD
View
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$526 USD
View
A
Retailer 8
-
$540 USD
ZAR 8,723 ZAR
View
A
Retailer 9
-
$570 USD
View
A
Retailer 10
-
$598 USD
£471 GBP
View
B+
Retailer 11
-
$862 USD
View
B+
Retailer 12
-
$905 USD
View
B+
Retailer 13
-
$966 USD
View
B+
Retailer 14
-
$1,010 USD
View
B+
Retailer 15
-
$1,052 USD
SGD 1,422 SGD
View
B+
Retailer 16
-
$1,062 USD
View
B+
Retailer 17
-
$1,219 USD
£960 GBP
View
B+
Retailer 18
-
$1,266 USD
£997 GBP
View
B
Retailer 19
-
$2,590 USD
View
Most Expensive
B
Brilliant Earth
21418050A · Oct 29
$3,430 USD
View
19 more retailers have this diamond
Prices start from $253 USDSave up to $3,177 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
1.31ct Oval
$253 USD