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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614305

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

Certificate IGI LG836614305

Diamond specifications and retailer prices

From €522 EUR
$583 USD
As of October 30, 2026
Save €3,067 EUR (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,589 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614305 or 836614305. Listed at 23 retailers as of October 28, 2026, with prices from €522 to €3,589, a €3,067 spread on the same certified stone. Rare Carat lists it at €3,589. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614305
Dimensions8.10 × 5.93 × 4.05 mm
L/W Ratio1.37
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
8.10 mm5.93 mm1.67 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614305
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 36.4°Culet: NoneDepth 68.3%

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: €3,589 EUR|Low: €522 EUR|High: €4,771 EUR|Avg: €1,628 EUR|-1.1%
Rare Carat
Retailer 2
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Retailer 23
October 31, 2026
Retailer 12€522 EUR
Retailer 3€584 EUR
Retailer 6€605 EUR
Retailer 11€646 EUR
Retailer 20€686 EUR
Retailer 15€690 EUR
Retailer 23€765 EUR
Retailer 5€842 EUR
Retailer 7€994 EUR
Retailer 13€1,010 EUR
Retailer 2€1,058 EUR
Retailer 22€1,111 EUR
Retailer 8€1,169 EUR
Retailer 17€1,457 EUR
Retailer 10€1,701 EUR
Retailer 9€1,882 EUR
Retailer 14€2,093 EUR
Retailer 18€2,119 EUR
Retailer 4€2,312 EUR
Retailer 21€2,823 EUR
Retailer 16€2,898 EUR
Retailer 19€3,482 EUR
Rare Carat€3,589 EUR

24 data points across 23 retailers

23 retailers€522 EUR to €3,589 EUR

A
Cheapest Retailer
-
€522 EUR
$583 USD
A
Retailer 2
-
€584 EUR
$652 USD
View
A
Retailer 3
-
€605 EUR
$676 USD
View
Final sale: no returns
A
Retailer 4
-
€646 EUR
$722 USD
View
A
Retailer 5
-
€686 EUR
£603 GBP
View
Retailer 6
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€690 EUR
$771 USD
View
Price last confirmed 15 days ago
A
Retailer 7
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€765 EUR
$855 USD
View
A
Retailer 8
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€842 EUR
$941 USD
View
A
Retailer 9
-
€994 EUR
$1,111 USD
View
A
Retailer 10
-
€1,010 EUR
£889 GBP
View
A
Retailer 11
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€1,058 EUR
View
B+
Retailer 12
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€1,111 EUR
ZAR 20,057 ZAR
View
B+
Retailer 13
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€1,169 EUR
$1,306 USD
View
B+
Retailer 14
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€1,457 EUR
$1,628 USD
View
B+
Retailer 15
-
€1,701 EUR
$1,900 USD
View
B+
Retailer 16
-
€1,882 EUR
£1,656 GBP
View
B+
Retailer 17
-
€2,093 EUR
$2,339 USD
View
B
Retailer 18
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€2,119 EUR
$2,367 USD
View
B
Retailer 19
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€2,312 EUR
$2,583 USD
View
B
Retailer 20
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€2,823 EUR
£2,483 GBP
View
B
Retailer 21
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€2,898 EUR
$3,238 USD
View
B
Retailer 22
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€3,482 EUR
$3,890 USD
View
Most Expensive
B
Rare Carat
PE-252023 · Oct 28
€3,589 EUR
$4,010 USD
View
22 more retailers have this diamond
Prices start from €522 EURSave up to €3,067 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
€522 EUR