Radiant|Lab Grown|IGI

2.66ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG778667127

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778667127

Diamond specifications and retailer prices

From €888 EUR
$992 USD
As of November 2, 2026
Save €3,775 EUR (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €4,663 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.66ct lab-grown radiant diamond

This 2.66ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778667127 or 778667127. Listed at 27 retailers as of October 31, 2026, with prices from €888 to €4,663, a €3,775 spread on the same certified stone. Brilliant Earth lists it at €4,663. 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

2.66
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778667127
Dimensions8.09 × 7.41 × 4.83 mm
L/W Ratio1.09
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm7.41 mm2.66 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778667127
Side View
Table 67.0%Crown 42.6°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 65.2%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: €4,663 EUR|Low: €852 EUR|High: €4,663 EUR|Avg: €2,326 EUR
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 6€888 EUR
Retailer 5€966 EUR
Retailer 9€994 EUR
Retailer 12€1,029 EUR
Retailer 24€1,186 EUR
Retailer 4€1,192 EUR
Retailer 11€1,253 EUR
Retailer 3€1,472 EUR
Retailer 2€1,589 EUR
Retailer 20€1,638 EUR
Retailer 8€1,930 EUR
Retailer 22€1,970 EUR
Retailer 19€2,444 EUR
Retailer 15€2,514 EUR
Retailer 7€2,581 EUR
Retailer 23€2,656 EUR
Retailer 16€2,837 EUR
Retailer 18€3,192 EUR
Retailer 10€3,329 EUR
Retailer 14€3,452 EUR
Retailer 21€3,482 EUR
Retailer 13€3,492 EUR
Retailer 17€3,588 EUR
Brilliant Earth€4,663 EUR

33 data points across 24 retailers

27 retailers€888 EUR to €4,663 EUR

A
Cheapest Retailer
-
€888 EUR
$992 USD
A
Retailer 2
-
€966 EUR
$1,079 USD
View
A
Retailer 3
-
€994 EUR
$1,110 USD
View
Final sale: no returns
A
Retailer 4
-
€1,029 EUR
$1,150 USD
View
Retailer 5
-
€1,029 EUR
$1,150 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€1,186 EUR
$1,325 USD
View
A
Retailer 7
-
€1,192 EUR
HK$10,400 HKD
View
A
Retailer 8
-
€1,253 EUR
$1,400 USD
View
A
Retailer 9
-
€1,472 EUR
$1,645 USD
View
A
Retailer 10
-
€1,589 EUR
£1,397 GBP
View
A
Retailer 11
-
€1,638 EUR
View
A
Retailer 12
-
€1,930 EUR
$2,156 USD
View
A
Retailer 13
-
€1,970 EUR
$2,201 USD
View
A
Retailer 14
-
€2,024 EUR
$2,261 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
€2,444 EUR
A$4,201 AUD
View
B+
Retailer 16
-
€2,514 EUR
$2,809 USD
View
B+
Retailer 17
-
€2,581 EUR
$2,884 USD
View
B+
Retailer 18
-
€2,656 EUR
ZAR 47,940 ZAR
View
B+
Retailer 19
-
€2,837 EUR
£2,496 GBP
View
B+
Retailer 20
-
€3,042 EUR
$3,398 USD
View
B+
Retailer 21
-
€3,192 EUR
$3,566 USD
View
B+
Retailer 22
-
€3,329 EUR
$3,720 USD
View
B+
Retailer 23
-
€3,452 EUR
SGD 5,211 SGD
View
B+
Retailer 24
-
€3,482 EUR
A$5,984 AUD
View
B+
Retailer 25
-
€3,492 EUR
£3,072 GBP
View
B+
Retailer 26
-
€3,588 EUR
$4,009 USD
View
Most Expensive
B
Brilliant Earth
18340359A · Oct 31
€4,663 EUR
$5,210 USD
View
26 more retailers have this diamond
Prices start from €888 EURSave up to €3,775 EUR

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
2.66ct Radiant
€888 EUR