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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816611920

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

Certificate IGI LG816611920

Diamond specifications and retailer prices

From €853 EUR
$953 USD
As of November 1, 2026
Save €3,067 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,920 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG816611920 or 816611920. Listed at 8 retailers as of November 1, 2026, with prices from €853 to €3,920, a €3,067 spread on the same certified stone. Do Amore Diamonds lists it at €3,920. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611920
Dimensions8.49 × 5.84 × 3.93 mm
L/W Ratio1.45
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
8.49 mm5.84 mm1.67 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611920
Side View
Table 68.0%Crown 41.6°Girdle: MED-STKPavilionCulet: NoneDepth 67.3%

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: Nov 1
Current: €3,920 EUR|Low: €454 EUR|High: €4,735 EUR|Avg: €1,946 EUR|-12.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 3€454 EUR
Retailer 6€495 EUR
Retailer 12€853 EUR
Retailer 10€855 EUR
Retailer 16€1,129 EUR
Retailer 5€1,201 EUR
Retailer 4€1,237 EUR
Retailer 9€1,343 EUR
Retailer 13€1,358 EUR
Retailer 15€1,808 EUR
Retailer 17€2,073 EUR
Retailer 7€2,483 EUR
Retailer 2€2,524 EUR
Retailer 8€2,945 EUR
Retailer 11€3,312 EUR
Retailer 14€3,567 EUR
Do Amore Diamonds€3,920 EUR

16 data points across 17 retailers

8 retailers€853 EUR to €3,920 EUR

A
Cheapest Retailer
-
€853 EUR
$953 USD
A
Retailer 2
-
€855 EUR
$955 USD
View
B+
Retailer 3
-
€1,358 EUR
$1,517 USD
View
B+
Retailer 4
-
€1,808 EUR
$2,019 USD
View
B
Retailer 5
-
€2,524 EUR
£2,220 GBP
View
B
Retailer 6
-
€3,312 EUR
$3,700 USD
View
B
Retailer 7
-
€3,567 EUR
$3,985 USD
View
Most Expensive
B
Do Amore Diamonds
27-397C0C158 · Nov 1
€3,920 EUR
$4,380 USD
View
7 more retailers have this diamond
Prices start from €853 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
€853 EUR