Oval|Lab Grown|IGI

3.11ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG621482199

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG621482199

Diamond specifications and retailer prices

From $8,750 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $8,750 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.11ct lab-grown oval diamond

This 3.11ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621482199 or 621482199. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.11
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621482199
Dimensions11.86 × 8.42 × 5.12 mm
L/W Ratio1.41
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
11.86 mm8.42 mm3.11 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621482199
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,750 USD|Low: $869 USD|High: $12,080 USD|Avg: $4,665 USD|-14.2%
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
August 9, 2026
Retailer 12$869 USD
Retailer 2$1,410 USD
Retailer 13$1,792 USD
Retailer 14$1,952 USD
Retailer 8$2,422 USD
Retailer 3$2,561 USD
Retailer 6$2,562 USD
Retailer 5$3,368 USD
Retailer 9$3,932 USD
Retailer 11$3,988 USD
Retailer 7$4,313 USD
Retailer 10$4,821 USD
Retailer 4$4,949 USD
Brilliant Earth$8,750 USD
Retailer 15$9,670 USD

67 data points across 15 retailers

1 retailer

B
Brilliant Earth
18396781Y · Oct 29
$8,750 USD
View

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.

B
3.11ct Oval
$8,750 USD