Radiant|Lab Grown|IGI

1.67ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG636400270

Certificate IGI LG636400270

Diamond specifications and retailer prices

From €562 EUR
$628 USD
As of October 30, 2026
Save €2,293 EUR (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,855 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG636400270 or 636400270. Listed at 7 retailers as of October 29, 2026, with prices from €562 to €2,855, a €2,293 spread on the same certified stone. Brilliant Earth lists it at €2,855. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG636400270
Dimensions6.01 × 6.01 × 3.99 mm
L/W Ratio1.00
Top View
6.01 mm6.01 mm1.67 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636400270
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.4%

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: €2,855 EUR|Low: €401 EUR|High: €2,945 EUR|Avg: €1,351 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 23, 2026
Retailer 8€401 EUR
Retailer 5€562 EUR
Retailer 2€730 EUR
Retailer 4€1,018 EUR
Retailer 7€1,193 EUR
Retailer 6€1,371 EUR
Retailer 10€1,567 EUR
Retailer 9€1,728 EUR
Retailer 3€2,112 EUR
Brilliant Earth€2,855 EUR

15 data points across 10 retailers

7 retailers€562 EUR to €2,855 EUR

A
Cheapest Retailer
-
€562 EUR
$628 USD
Retailer 2
-
€730 EUR
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€1,018 EUR
$1,137 USD
View
Retailer 4
-
€2,112 EUR
$2,360 USD
View
Price last confirmed 11 days ago
Retailer 5
-
€2,479 EUR
$2,770 USD
View
Price last confirmed 87 days ago
Retailer 6
-
€2,828 EUR
$3,160 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21311935A · Oct 29
€2,855 EUR
$3,190 USD
View
6 more retailers have this diamond
Prices start from €562 EURSave up to €2,293 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
1.67ct Radiant
€562 EUR