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Radiant|Lab Grown|IGI

0.66ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG541284501

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

Certificate IGI LG541284501

Diamond specifications and retailer prices

From €136 EUR
$153 USD
As of November 2, 2026
Save €793 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €930 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.66ct lab-grown radiant diamond

This 0.66ct lab-grown radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541284501 or 541284501. Listed at 15 retailers as of November 1, 2026, with prices from €136 to €930, a €793 spread on the same certified stone. Reve Diamonds lists it at €930. 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

0.66
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541284501
Dimensions6.13 × 4.29 × 2.92 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.13 mm4.29 mm0.66 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541284501
Side View
Table 63.0%Crown 38.8°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 68.1%

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: Nov 2
Current: €294 EUR|Low: €131 EUR|High: €799 EUR|Avg: €332 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8€136 EUR
Retailer 4€152 EUR
Retailer 12€158 EUR
Retailer 2€169 EUR
Retailer 9€169 EUR
Retailer 1€294 EUR
Retailer 11€308 EUR
Retailer 6€312 EUR
Retailer 3€374 EUR
Retailer 10€543 EUR
Retailer 7€573 EUR
Retailer 5€789 EUR

44 data points across 12 retailers

15 retailers€136 EUR to €930 EUR

A
Cheapest Retailer
-
€136 EUR
$153 USD
A
Retailer 2
-
€152 EUR
$171 USD
View
Final sale: no returns
A
Retailer 3
-
€158 EUR
$177 USD
View
A
Retailer 4
-
€169 EUR
$189 USD
View
Retailer 5
-
€169 EUR
$189 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€294 EUR
£260 GBP
View
B+
Retailer 7
-
€308 EUR
$346 USD
View
B+
Retailer 8
-
€312 EUR
$350 USD
View
B+
Retailer 9
-
€342 EUR
HK$3,000 HKD
View
B+
Retailer 10
-
€374 EUR
$419 USD
View
B
Retailer 11
-
€543 EUR
$609 USD
View
B
Retailer 12
-
€573 EUR
$643 USD
View
B
Retailer 13
-
€592 EUR
$664 USD
View
B
Retailer 14
-
€789 EUR
£697 GBP
View
Most Expensive
B
Reve Diamonds
6572DDC90 · Nov 1
€930 EUR
$1,043 USD
View
14 more retailers have this diamond
Prices start from €136 EURSave up to €793 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
0.66ct Radiant
€136 EUR