Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG591396148

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

Certificate IGI LG591396148

Diamond specifications and retailer prices

From €125 EUR
$140 USD
As of October 30, 2026
Save €772 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €897 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG591396148 or 591396148. Listed at 19 retailers as of October 30, 2026, with prices from €125 to €897, a €772 spread on the same certified stone. Reve Diamonds lists it at €897. 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 angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591396148
Dimensions7.19 × 4.89 × 3.21 mm
L/W Ratio1.47
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
7.19 mm4.89 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591396148
Side View
Table 65.0%Crown 40.3°Girdle: Slightly ThickPavilionCulet: NoneDepth 65.6%

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: €276 EUR|Low: €121 EUR|High: €735 EUR|Avg: €329 EUR|+2.1%
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
October 31, 2026
Retailer 13€125 EUR
Retailer 6€141 EUR
Retailer 3€146 EUR
Retailer 4€156 EUR
Retailer 15€156 EUR
Retailer 7€213 EUR
Retailer 8€264 EUR
Retailer 1€276 EUR
Retailer 10€295 EUR
Retailer 5€375 EUR
Retailer 12€397 EUR
Retailer 2€500 EUR
Retailer 11€506 EUR
Retailer 14€573 EUR
Retailer 9€731 EUR

43 data points across 15 retailers

19 retailers€125 EUR to €897 EUR

A
Cheapest Retailer
-
€125 EUR
$140 USD
A
Retailer 2
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€141 EUR
$157 USD
View
Final sale: no returns
A
Retailer 3
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€146 EUR
$163 USD
View
A
Retailer 4
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€156 EUR
$174 USD
View
A
Retailer 5
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€156 EUR
$174 USD
View
B+
Retailer 6
-
€213 EUR
$238 USD
View
A
Retailer 7
-
€264 EUR
£232 GBP
View
A
Retailer 8
-
€276 EUR
View
A
Retailer 9
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€285 EUR
$318 USD
View
A
Retailer 10
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€295 EUR
£260 GBP
View
B+
Retailer 11
-
€375 EUR
$419 USD
View
B+
Retailer 12
-
€397 EUR
$443 USD
View
B+
Retailer 13
-
€432 EUR
£380 GBP
View
B+
Retailer 14
-
€500 EUR
$559 USD
View
Retailer 15
-
€506 EUR
$565 USD
View
Price last confirmed 10 days ago
B
Retailer 16
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€550 EUR
$614 USD
View
B
Retailer 17
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€573 EUR
$640 USD
View
B
Retailer 18
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€731 EUR
£643 GBP
View
Most Expensive
B
Reve Diamonds
86AE2B38E · Oct 30
€897 EUR
$1,003 USD
View
18 more retailers have this diamond
Prices start from €125 EURSave up to €772 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
€125 EUR