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Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836617660

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836617660

Diamond specifications and retailer prices

From $284 USD
As of October 28, 2026
Save $3,146 USD (92%) vs most expensive(unlock to see where)
15 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 LG836617660 or 836617660. Listed at 15 retailers as of October 28, 2026, with prices from $284 to $3,430, a $3,146 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 angle34.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617660
Dimensions8.79 × 6.08 × 3.88 mm
L/W Ratio1.45
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
8.79 mm6.08 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617660
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.8%

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 28
Current: $3,430 USD|Low: $284 USD|High: $3,430 USD|Avg: $990 USD
Brilliant Earth
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 3$284 USD
Retailer 13$314 USD
Retailer 2$333 USD
Retailer 11$495 USD
Retailer 14$526 USD
Retailer 6$537 USD
Retailer 10$540 USD
Retailer 9$598 USD
Retailer 8$870 USD
Retailer 16$905 USD
Retailer 15$966 USD
Retailer 7$1,052 USD
Retailer 4$1,062 USD
Retailer 12$1,261 USD
Retailer 5$2,590 USD
Brilliant Earth$3,430 USD

28 data points across 16 retailers

15 retailers$284 USD to $3,430 USD

A
Cheapest Retailer
-
$284 USD
Final sale: no returns
A
Retailer 2
-
$314 USD
View
A
Retailer 3
-
$333 USD
£262 GBP
View
A
Retailer 4
-
$495 USD
View
A
Retailer 5
-
$526 USD
View
A
Retailer 6
-
$540 USD
ZAR 8,723 ZAR
View
A
Retailer 7
-
$598 USD
£471 GBP
View
B+
Retailer 8
-
$862 USD
View
B+
Retailer 9
-
$905 USD
View
B+
Retailer 10
-
$966 USD
View
B+
Retailer 11
-
$1,052 USD
SGD 1,422 SGD
View
B+
Retailer 12
-
$1,062 USD
View
B+
Retailer 13
-
$1,261 USD
£993 GBP
View
B
Retailer 14
-
$2,590 USD
View
Most Expensive
B
Brilliant Earth
21640922A · Oct 29
$3,430 USD
View
14 more retailers have this diamond
Prices start from $284 USDSave up to $3,146 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
$284 USD