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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG818654254

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

Certificate IGI LG818654254

Diamond specifications and retailer prices

From €265 EUR
$295 USD
As of October 30, 2026
Save €2,889 EUR (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,154 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654254 or 818654254. Listed at 21 retailers as of October 29, 2026, with prices from €265 to €3,154, a €2,889 spread on the same certified stone. Brilliant Earth lists it at €3,154. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654254
Dimensions8.22 × 5.92 × 4.07 mm
L/W Ratio1.39
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
8.22 mm5.92 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654254
Side View
Table 64.0%Crown 29.3°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.8%

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: €3,154 EUR|Low: €305 EUR|High: €3,261 EUR|Avg: €1,054 EUR|-3.3%
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
Retailer 18
October 30, 2026
Retailer 5€305 EUR
Retailer 15€339 EUR
Retailer 14€467 EUR
Retailer 8€538 EUR
Retailer 13€565 EUR
Retailer 4€571 EUR
Retailer 2€581 EUR
Retailer 16€594 EUR
Retailer 12€764 EUR
Retailer 18€836 EUR
Retailer 7€1,100 EUR
Retailer 3€1,149 EUR
Retailer 6€1,175 EUR
Retailer 9€1,175 EUR
Retailer 11€1,324 EUR
Retailer 10€1,558 EUR
Retailer 17€2,417 EUR
Brilliant Earth€3,154 EUR

29 data points across 18 retailers

21 retailers€265 EUR to €3,154 EUR

A
Cheapest Retailer
-
€265 EUR
$295 USD
A
Retailer 2
-
€305 EUR
$340 USD
View
Final sale: no returns
A
Retailer 3
-
€329 EUR
$366 USD
View
A
Retailer 4
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€329 EUR
$366 USD
View
A
Retailer 5
-
€339 EUR
£297 GBP
View
A
Retailer 6
-
€467 EUR
$520 USD
View
A
Retailer 7
-
€538 EUR
$599 USD
View
A
Retailer 8
-
€565 EUR
ZAR 10,154 ZAR
View
A
Retailer 9
-
€571 EUR
$635 USD
View
A
Retailer 10
-
€581 EUR
£509 GBP
View
A
Retailer 11
-
€594 EUR
View
A
Retailer 12
-
€764 EUR
A$1,309 AUD
View
A
Retailer 13
-
€836 EUR
$931 USD
View
A
Retailer 14
-
€1,100 EUR
$1,224 USD
View
B+
Retailer 15
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€1,149 EUR
$1,279 USD
View
B+
Retailer 16
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€1,175 EUR
$1,308 USD
View
B+
Retailer 17
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€1,175 EUR
SGD 1,768 SGD
View
B+
Retailer 18
-
€1,324 EUR
£1,160 GBP
View
B+
Retailer 19
-
€1,558 EUR
$1,734 USD
View
Retailer 20
-
€2,417 EUR
$2,690 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433885A · Oct 29
€3,154 EUR
$3,510 USD
View
20 more retailers have this diamond
Prices start from €265 EURSave up to €2,889 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
1.74ct Radiant
€265 EUR