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Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG818672344

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818672344

Diamond specifications and retailer prices

From $364 USD
As of October 29, 2026
Save $3,076 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,440 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 LG818672344 or 818672344. Listed at 21 retailers as of October 29, 2026, with prices from $364 to $3,440, a $3,076 spread on the same certified stone. Brilliant Earth lists it at $3,440. 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 angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818672344
Dimensions8.86 × 6.07 × 3.83 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.86 mm6.07 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818672344
Side View
Table 59.0%Crown 35.2°Girdle: STK-THKPavilion 40.5°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: $3,440 USD|Low: $350 USD|High: $3,550 USD|Avg: $1,186 USD|-3.1%
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$364 USD
Retailer 4$422 USD
Retailer 7$452 USD
Retailer 10$452 USD
Retailer 14$468 USD
Retailer 13$600 USD
Retailer 8$722 USD
Retailer 16$755 USD
Retailer 12$776 USD
Retailer 2$813 USD
Retailer 5$944 USD
Retailer 18$1,129 USD
Retailer 9$1,452 USD
Retailer 6$1,492 USD
Retailer 3$1,522 USD
Retailer 11$1,753 USD
Retailer 15$1,767 USD
Retailer 17$2,595 USD
Brilliant Earth$3,440 USD

36 data points across 19 retailers

21 retailers$364 USD to $3,440 USD

A
Cheapest Retailer
-
$364 USD
A
Retailer 2
-
$422 USD
View
A
Retailer 3
-
$452 USD
View
A
Retailer 4
-
$452 USD
View
A
Retailer 5
-
$468 USD
View
Final sale: no returns
A
Retailer 6
-
$600 USD
View
A
Retailer 7
-
$722 USD
View
Retailer 8
-
$755 USD
€719 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$776 USD
ZAR 12,536 ZAR
View
B+
Retailer 10
-
$813 USD
£640 GBP
View
B+
Retailer 11
-
$944 USD
View
B+
Retailer 12
-
$1,129 USD
View
B+
Retailer 13
-
$1,452 USD
View
Retailer 14
-
$1,486 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$1,492 USD
View
B
Retailer 16
-
$1,522 USD
View
B
Retailer 17
-
$1,745 USD
SGD 2,358 SGD
View
B
Retailer 18
-
$1,753 USD
£1,380 GBP
View
B+
Retailer 19
-
$1,767 USD
£1,391 GBP
View
B
Retailer 20
-
$2,595 USD
View
Most Expensive
B
Brilliant Earth
21418147A · Oct 29
$3,440 USD
View
20 more retailers have this diamond
Prices start from $364 USDSave up to $3,076 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
$364 USD