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Oval|Lab Grown|IGI

6.60ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG698558317

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG698558317

Diamond specifications and retailer prices

From €23,120 EUR
$25,830 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: €23,120 EUR at Brilliant Earth
View at Brilliant Earth

About this 6.6ct lab-grown oval diamond

This 6.6ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG698558317 or 698558317. Listed at 2 retailers as of October 29, 2026. 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

6.60
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698558317
Dimensions16.08 × 10.43 × 6.32 mm
L/W Ratio1.54
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
16.08 mm10.43 mm6.60 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698558317
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €23,120 EUR|Low: €7,115 EUR|High: €69,844 EUR|Avg: €25,796 EUR|+5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
May 12, 2026
Retailer 6€11,902 EUR
Retailer 3€15,310 EUR
Retailer 5€17,674 EUR
Brilliant Earth€23,120 EUR
Retailer 4€31,098 EUR
Retailer 2€69,844 EUR

36 data points across 6 retailers

2 retailers

Retailer 1
-
€11,902 EUR
$13,297 USD
Most Expensive
B
Brilliant Earth
14537804Y · Oct 29
€23,120 EUR
$25,830 USD
View
1 more retailer has this diamond

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
6.60ct Oval
€23,120 EUR