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Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG744514675

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

Certificate IGI LG744514675

Diamond specifications and retailer prices

From €251 EUR
$280 USD
As of October 30, 2026
Save €2,811 EUR (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,061 EUR at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514675 or 744514675. Listed at 17 retailers as of October 30, 2026, with prices from €251 to €3,061, a €2,811 spread on the same certified stone. Brilliant Earth lists it at €3,061. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514675
Dimensions8.76 × 5.91 × 3.72 mm
L/W Ratio1.48
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
8.76 mm5.91 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514675
Side View
Table 65.0%Crown 39.2°Girdle: Slightly ThickPavilion 32°Culet: NoneDepth 62.9%

Caratlytics Score

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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: €3,061 EUR|Low: €251 EUR|High: €3,554 EUR|Avg: €1,161 EUR|-13.9%
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
October 31, 2026
Retailer 12€251 EUR
Retailer 4€291 EUR
Retailer 9€313 EUR
Retailer 13€470 EUR
Retailer 16€513 EUR
Retailer 7€515 EUR
Retailer 2€570 EUR
Retailer 11€801 EUR
Retailer 8€857 EUR
Retailer 15€956 EUR
Retailer 3€983 EUR
Retailer 17€1,104 EUR
Retailer 6€1,413 EUR
Retailer 10€1,600 EUR
Retailer 14€2,229 EUR
Retailer 5€2,587 EUR
Brilliant Earth€3,061 EUR

33 data points across 17 retailers

17 retailers€251 EUR to €3,061 EUR

A
Cheapest Retailer
-
€251 EUR
$280 USD
A
Retailer 2
-
€291 EUR
$325 USD
View
A
Retailer 3
-
€313 EUR
$350 USD
View
Final sale: no returns
A
Retailer 4
-
€470 EUR
$525 USD
View
A
Retailer 5
-
€513 EUR
$573 USD
View
A
Retailer 6
-
€515 EUR
$575 USD
View
A
Retailer 7
-
€570 EUR
View
A
Retailer 8
-
€801 EUR
A$1,376 AUD
View
A
Retailer 9
-
€857 EUR
$957 USD
View
A
Retailer 10
-
€956 EUR
$1,068 USD
View
A
Retailer 11
-
€983 EUR
$1,098 USD
View
B+
Retailer 12
-
€1,104 EUR
$1,233 USD
View
Retailer 13
-
€1,413 EUR
£1,243 GBP
View
Price last confirmed 14 days ago
B+
Retailer 14
-
€1,600 EUR
A$2,750 AUD
View
B
Retailer 15
-
€2,229 EUR
$2,490 USD
View
B
Retailer 16
-
€2,587 EUR
$2,890 USD
View
Most Expensive
B
Brilliant Earth
17388439Y · Oct 31
€3,061 EUR
$3,420 USD
View
16 more retailers have this diamond
Prices start from €251 EURSave up to €2,811 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
€251 EUR