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 $465 SGD
$364 USD
As of October 29, 2026
Save $3,932 SGD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,398 SGD 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 $465 to $4,398, a $3,932 spread on the same certified stone. Brilliant Earth lists it at $4,398. 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
Colour
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: $4,398 SGD|Low: $447 SGD|High: $4,538 SGD|Avg: $1,520 SGD|-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 31, 2026
Retailer 19$465 SGD
Retailer 4$539 SGD
Retailer 7$578 SGD
Retailer 10$578 SGD
Retailer 15$598 SGD
Retailer 14$767 SGD
Retailer 2$911 SGD
Retailer 8$923 SGD
Retailer 13$992 SGD
Retailer 12$1,041 SGD
Retailer 5$1,207 SGD
Retailer 18$1,443 SGD
Retailer 9$1,856 SGD
Retailer 6$1,907 SGD
Retailer 3$1,946 SGD
Retailer 11$2,241 SGD
Retailer 16$2,258 SGD
Retailer 17$3,317 SGD
Brilliant Earth$4,398 SGD

36 data points across 19 retailers

21 retailers$465 SGD to $4,398 SGD

A
Cheapest Retailer
-
$465 SGD
$364 USD
A
Retailer 2
-
$539 SGD
$422 USD
View
A
Retailer 3
-
$578 SGD
$452 USD
View
A
Retailer 4
-
$578 SGD
$452 USD
View
A
Retailer 5
-
$598 SGD
$468 USD
View
Final sale: no returns
A
Retailer 6
-
$767 SGD
$600 USD
View
A
Retailer 7
-
$911 SGD
€679 EUR
View
A
Retailer 8
-
$923 SGD
$722 USD
View
B+
Retailer 9
-
$992 SGD
ZAR 12,536 ZAR
View
B+
Retailer 10
-
$1,041 SGD
£641 GBP
View
B+
Retailer 11
-
$1,207 SGD
$944 USD
View
B+
Retailer 12
-
$1,443 SGD
$1,129 USD
View
B+
Retailer 13
-
$1,856 SGD
$1,452 USD
View
Retailer 14
-
$1,900 SGD
$1,486 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$1,907 SGD
$1,492 USD
View
B
Retailer 16
-
$1,946 SGD
$1,522 USD
View
B
Retailer 17
-
$2,231 SGD
View
B
Retailer 18
-
$2,241 SGD
£1,380 GBP
View
B+
Retailer 19
-
$2,258 SGD
£1,391 GBP
View
B
Retailer 20
-
$3,317 SGD
$2,595 USD
View
Most Expensive
B
Brilliant Earth
21418147A · Oct 29
$4,398 SGD
$3,440 USD
View
20 more retailers have this diamond
Prices start from $465 SGDSave up to $3,932 SGD

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
$465 SGD