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Oval|Lab Grown|IGI

1.18ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG750523533

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750523533

Diamond specifications and retailer prices

From $230 USD
As of October 30, 2026
Save $1,620 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,850 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.18ct lab-grown oval diamond

This 1.18ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750523533 or 750523533. Listed at 21 retailers as of October 29, 2026, with prices from $230 to $1,850, a $1,620 spread on the same certified stone. Brilliant Earth lists it at $1,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750523533
Dimensions5.99 × 5.99 × 3.57 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
5.99 mm5.99 mm1.18 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750523533
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.6%

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 30
Current: $1,850 USD|Low: $193 USD|High: $1,850 USD|Avg: $704 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
October 30, 2026
Retailer 9$230 USD
Retailer 3$360 USD
Retailer 13$429 USD
Retailer 11$432 USD
Retailer 2$471 USD
Retailer 5$547 USD
Retailer 4$573 USD
Retailer 10$625 USD
Retailer 15$737 USD
Retailer 14$825 USD
Retailer 6$875 USD
Retailer 8$1,030 USD
Retailer 7$1,214 USD
Retailer 12$1,285 USD
Brilliant Earth$1,850 USD

40 data points across 15 retailers

21 retailers$230 USD to $1,850 USD

Retailer 1
-
$206 USD
Price last confirmed 19 days ago
Retailer 2
-
$211 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$230 USD
View
Final sale: no returns
Retailer 4
-
$244 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$256 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$256 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$258 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$360 USD
View
Retailer 9
-
$432 USD
ZAR 6,986 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$471 USD
£371 GBP
View
A
Retailer 11
-
$547 USD
View
A
Retailer 12
-
$573 USD
View
B+
Retailer 13
-
$625 USD
A$962 AUD
View
B+
Retailer 14
-
$737 USD
View
Retailer 15
-
$822 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$825 USD
View
B+
Retailer 17
-
$875 USD
View
B+
Retailer 18
-
$1,030 USD
£811 GBP
View
B
Retailer 19
-
$1,214 USD
View
Retailer 20
-
$1,285 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16917290A · Oct 29
$1,850 USD
View
20 more retailers have this diamond
Prices start from $230 USDSave up to $1,620 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
1.18ct Oval
$230 USD