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Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732520458

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

Certificate IGI LG732520458

Diamond specifications and retailer prices

From €242 EUR
$270 USD
As of October 30, 2026
Save €2,820 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 LG732520458 or 732520458. Listed at 17 retailers as of October 30, 2026, with prices from €242 to €3,061, a €2,820 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 angle36.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520458
Dimensions8.70 × 5.84 × 3.86 mm
L/W Ratio1.49
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
8.70 mm5.84 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520458
Side View
Table 65.0%Crown 36.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.1%

Caratlytics Score

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A+
Exceptional
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: €242 EUR|High: €3,554 EUR|Avg: €1,145 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
November 1, 2026
Retailer 13€242 EUR
Retailer 5€280 EUR
Retailer 9€310 EUR
Retailer 14€459 EUR
Retailer 7€497 EUR
Retailer 17€497 EUR
Retailer 10€550 EUR
Retailer 12€770 EUR
Retailer 8€854 EUR
Retailer 16€921 EUR
Retailer 4€953 EUR
Retailer 3€1,064 EUR
Retailer 2€1,327 EUR
Retailer 11€1,600 EUR
Retailer 15€2,148 EUR
Retailer 6€2,587 EUR
Brilliant Earth€3,061 EUR

37 data points across 17 retailers

17 retailers€242 EUR to €3,061 EUR

A+
Cheapest Retailer
-
€242 EUR
$270 USD
A
Retailer 2
-
€280 EUR
$313 USD
View
A
Retailer 3
-
€310 EUR
$346 USD
View
Final sale: no returns
A
Retailer 4
-
€459 EUR
$513 USD
View
A
Retailer 5
-
€497 EUR
$555 USD
View
A
Retailer 6
-
€497 EUR
$555 USD
View
A
Retailer 7
-
€550 EUR
View
A
Retailer 8
-
€770 EUR
A$1,323 AUD
View
A
Retailer 9
-
€854 EUR
$954 USD
View
A
Retailer 10
-
€921 EUR
$1,029 USD
View
A
Retailer 11
-
€953 EUR
$1,065 USD
View
A
Retailer 12
-
€1,064 EUR
$1,189 USD
View
B+
Retailer 13
-
€1,327 EUR
£1,167 GBP
View
B+
Retailer 14
-
€1,600 EUR
A$2,750 AUD
View
B+
Retailer 15
-
€2,148 EUR
$2,400 USD
View
B
Retailer 16
-
€2,587 EUR
$2,890 USD
View
Most Expensive
B
Brilliant Earth
16112448Y · Oct 31
€3,061 EUR
$3,420 USD
View
16 more retailers have this diamond
Prices start from €242 EURSave up to €2,820 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
€242 EUR