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Radiant|Lab Grown|IGI

3.74ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG605394162

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

Certificate IGI LG605394162

Diamond specifications and retailer prices

From €318 EUR
$355 USD
As of October 30, 2026
Save €2,009 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,327 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.74ct lab-grown radiant diamond

This 3.74ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605394162 or 605394162. Listed at 19 retailers as of October 30, 2026, with prices from €318 to €2,327, a €2,009 spread on the same certified stone. Brilliant Earth lists it at €2,327. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.74
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605394162
Dimensions10.83 × 7.66 × 5.25 mm
L/W Ratio1.41
Culet sizePointed
Top View
10.83 mm7.66 mm3.74 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605394162
Side View
Table 64.0%Crown 44°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.5%

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: €2,327 EUR|Low: €318 EUR|High: €4,305 EUR|Avg: €1,046 EUR|-45.9%
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
Retailer 18
November 1, 2026
Retailer 4€318 EUR
Retailer 15€356 EUR
Retailer 16€369 EUR
Retailer 6€395 EUR
Retailer 7€395 EUR
Retailer 3€455 EUR
Retailer 14€528 EUR
Retailer 8€632 EUR
Retailer 12€654 EUR
Retailer 11€704 EUR
Retailer 9€769 EUR
Retailer 17€1,157 EUR
Retailer 5€1,268 EUR
Retailer 10€1,431 EUR
Retailer 13€1,512 EUR
Retailer 2€1,541 EUR
Retailer 18€2,197 EUR
Brilliant Earth€2,327 EUR

37 data points across 18 retailers

19 retailers€318 EUR to €2,327 EUR

A
Cheapest Retailer
-
€318 EUR
$355 USD
A
Retailer 2
-
€356 EUR
$398 USD
View
Final sale: no returns
A
Retailer 3
-
€369 EUR
$412 USD
View
A
Retailer 4
-
€395 EUR
$441 USD
View
Retailer 5
-
€395 EUR
$441 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€455 EUR
£400 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€528 EUR
$590 USD
View
B+
Retailer 8
-
€632 EUR
$706 USD
View
A
Retailer 9
-
€654 EUR
View
A
Retailer 10
-
€704 EUR
£620 GBP
View
A
Retailer 11
-
€769 EUR
$859 USD
View
B+
Retailer 12
-
€1,157 EUR
$1,293 USD
View
B+
Retailer 13
-
€1,268 EUR
$1,417 USD
View
B+
Retailer 14
-
€1,305 EUR
$1,458 USD
View
B+
Retailer 15
-
€1,431 EUR
$1,599 USD
View
B+
Retailer 16
-
€1,512 EUR
$1,690 USD
View
B+
Retailer 17
-
€1,541 EUR
£1,356 GBP
View
B
Retailer 18
-
€2,197 EUR
$2,455 USD
View
Most Expensive
B
Brilliant Earth
8498608A · Oct 31
€2,327 EUR
$2,600 USD
View
18 more retailers have this diamond
Prices start from €318 EURSave up to €2,009 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
3.74ct Radiant
€318 EUR