Oval|Lab Grown|IGI

1.31ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG735545766

Certificate IGI LG735545766

Diamond specifications and retailer prices

From $295 USD
Save $2,385 USD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,680 USD at Brilliant Earth
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735545766 or 735545766. Listed at 24 retailers, with prices from $295 to $2,680 at Brilliant Earth, a $2,385 spread on the same certified stone. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735545766
Dimensions6.13 × 6.13 × 8.69 mm
L/W Ratio1.00
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
6.13 mm6.13 mm1.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735545766
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $2,680 USD|Low: $291 USD|High: $3,000 USD|Avg: $944 USD|-8.8%
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 23$295 USD
Retailer 15$330 USD
Retailer 12$342 USD
Retailer 14$361 USD
Retailer 7$366 USD
Retailer 2$390 USD
Retailer 19$492 USD
Retailer 20$560 USD
Retailer 9$561 USD
Retailer 8$617 USD
Retailer 4$621 USD
Retailer 21$641 USD
Retailer 18$857 USD
Retailer 3$889 USD
Retailer 10$919 USD
Retailer 5$959 USD
Retailer 6$1,176 USD
Retailer 16$1,224 USD
Retailer 17$1,311 USD
Retailer 13$1,337 USD
Retailer 22$1,483 USD
Retailer 11$1,497 USD
Retailer 24$1,955 USD
Brilliant Earth$2,680 USD

24 data points across 24 retailers

24 retailers$295 USD to $2,680 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$330 USD
View
A
Retailer 3
-
$342 USD
View
A
Retailer 4
-
$361 USD
View
A
Retailer 5
-
$366 USD
View
A
Retailer 6
-
$390 USD
£307 GBP
View
A
Retailer 7
-
$492 USD
View
A
Retailer 8
-
$560 USD
View
A
Retailer 9
-
$561 USD
€534 EUR
View
A
Retailer 10
-
$617 USD
View
A
Retailer 11
-
$621 USD
ZAR 10,035 ZAR
View
A
Retailer 12
-
$641 USD
£505 GBP
View
B+
Retailer 13
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$804 USD
View
B+
Retailer 14
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$857 USD
View
B+
Retailer 15
-
$889 USD
A$1,367 AUD
View
B+
Retailer 16
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$919 USD
View
B+
Retailer 17
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$979 USD
View
B+
Retailer 18
-
$1,176 USD
View
B+
Retailer 19
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$1,224 USD
View
B
Retailer 20
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$1,337 USD
A$2,057 AUD
View
B
Retailer 21
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$1,483 USD
£1,168 GBP
View
B
Retailer 22
-
$1,497 USD
View
B
Retailer 23
-
$1,955 USD
View
Most Expensive
B
Brilliant Earth
15871255A · Sep 29
$2,680 USD
View
23 more retailers have this diamond
Prices start from $295 USDSave up to $2,385 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.

A
1.31ct Oval
$295 USD