Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG654450368

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

Certificate IGI LG654450368

Diamond specifications and retailer prices

From €114 EUR
$127 USD
As of October 30, 2026
Save €405 EUR (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €519 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG654450368 or 654450368. Listed at 13 retailers as of October 30, 2026, with prices from €114 to €519, a €405 spread on the same certified stone. Diamond Quarter lists it at €519. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654450368
Dimensions7.27 × 4.86 × 3.31 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm4.86 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654450368
Side View
Table 63.0%Crown 45.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.1%

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: Oct 30
Current: €168 EUR|Low: €114 EUR|High: €859 EUR|Avg: €323 EUR|-0.5%
Retailer 1
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
November 1, 2026
Retailer 10€114 EUR
Retailer 4€132 EUR
Retailer 11€141 EUR
Retailer 3€160 EUR
Retailer 1€168 EUR
Retailer 8€234 EUR
Retailer 9€252 EUR
Retailer 2€267 EUR
Retailer 15€268 EUR
Retailer 14€280 EUR
Retailer 12€362 EUR
Retailer 13€452 EUR
Retailer 6€513 EUR
Retailer 5€552 EUR
Retailer 7€859 EUR

5 data points across 15 retailers

13 retailers€114 EUR to €519 EUR

A
Cheapest Retailer
-
€114 EUR
$127 USD
A
Retailer 2
-
€132 EUR
$147 USD
View
A
Retailer 3
-
€141 EUR
$157 USD
View
A
Retailer 4
-
€160 EUR
HK$1,400 HKD
View
A
Retailer 5
-
€168 EUR
£148 GBP
View
A
Retailer 6
-
€234 EUR
£206 GBP
View
A
Retailer 7
-
€252 EUR
View
A
Retailer 8
-
€267 EUR
£235 GBP
View
B+
Retailer 9
-
€268 EUR
$299 USD
View
A
Retailer 10
-
€280 EUR
$313 USD
View
B+
Retailer 11
-
€362 EUR
$404 USD
View
B+
Retailer 12
-
€452 EUR
$505 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1DLG68BFEEN · Oct 31
€519 EUR
£457 GBP
View
12 more retailers have this diamond
Prices start from €114 EURSave up to €405 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
1.01ct Radiant
€114 EUR