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Radiant|Lab Grown|IGI

1.68ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825660118

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

Certificate IGI LG825660118

Diamond specifications and retailer prices

From €525 EUR
$586 USD
As of October 30, 2026
Save €3,087 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,612 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.68ct lab-grown radiant diamond

This 1.68ct 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 LG825660118 or 825660118. Listed at 21 retailers as of October 28, 2026, with prices from €525 to €3,612, a €3,087 spread on the same certified stone. Rare Carat lists it at €3,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660118
Dimensions8.14 × 5.77 × 4.15 mm
L/W Ratio1.41
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
8.14 mm5.77 mm1.68 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660118
Side View
Table 64.0%Crown 45.5°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 71.9%

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: €3,612 EUR|Low: €525 EUR|High: €4,807 EUR|Avg: €1,771 EUR|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 11€525 EUR
Retailer 19€587 EUR
Retailer 7€609 EUR
Retailer 10€650 EUR
Retailer 18€765 EUR
Retailer 3€1,000 EUR
Retailer 13€1,016 EUR
Retailer 14€1,064 EUR
Retailer 17€1,118 EUR
Retailer 5€1,182 EUR
Retailer 4€1,466 EUR
Retailer 8€1,711 EUR
Retailer 6€1,896 EUR
Retailer 12€2,105 EUR
Retailer 15€2,132 EUR
Retailer 9€2,212 EUR
Retailer 2€2,823 EUR
Retailer 20€3,101 EUR
Retailer 16€3,509 EUR
Rare Carat€3,612 EUR

29 data points across 20 retailers

21 retailers€525 EUR to €3,612 EUR

A
Cheapest Retailer
-
€525 EUR
$586 USD
A
Retailer 2
-
€587 EUR
$656 USD
View
A
Retailer 3
-
€609 EUR
$680 USD
View
Final sale: no returns
A
Retailer 4
-
€650 EUR
$726 USD
View
Retailer 5
-
€694 EUR
$775 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€765 EUR
$855 USD
View
A
Retailer 7
-
€1,000 EUR
$1,117 USD
View
A
Retailer 8
-
€1,016 EUR
£894 GBP
View
A
Retailer 9
-
€1,064 EUR
View
B+
Retailer 10
-
€1,118 EUR
ZAR 20,171 ZAR
View
B+
Retailer 11
-
€1,182 EUR
$1,320 USD
View
B+
Retailer 12
-
€1,466 EUR
$1,638 USD
View
B+
Retailer 13
-
€1,711 EUR
$1,911 USD
View
B+
Retailer 14
-
€1,896 EUR
£1,668 GBP
View
B+
Retailer 15
-
€2,105 EUR
$2,352 USD
View
B
Retailer 16
-
€2,132 EUR
$2,382 USD
View
B+
Retailer 17
-
€2,212 EUR
SGD 3,340 SGD
View
B
Retailer 18
-
€2,823 EUR
£2,483 GBP
View
B
Retailer 19
-
€3,101 EUR
$3,464 USD
View
B
Retailer 20
-
€3,509 EUR
$3,920 USD
View
Most Expensive
B
Rare Carat
PD-239706 · Oct 28
€3,612 EUR
$4,035 USD
View
20 more retailers have this diamond
Prices start from €525 EURSave up to €3,087 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
1.68ct Radiant
€525 EUR