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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG800610785

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

Certificate IGI LG800610785

Diamond specifications and retailer prices

From €129 EUR
As of November 6, 2026
Save €779 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €908 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG800610785 or 800610785. Listed at 18 retailers as of November 6, 2026, with prices from €129 to €908, a €779 spread on the same certified stone. Reve Diamonds lists it at €908. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800610785
Dimensions7.39 × 4.80 × 3.08 mm
L/W Ratio1.54
Culet sizePointed
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
7.39 mm4.80 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800610785
Side View
Table 63.0%Crown 26.2°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €276 EUR|Low: €121 EUR|High: €908 EUR|Avg: €331 EUR|+2.3%
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
Reve Diamonds
November 6, 2026
Retailer 2€129 EUR
Retailer 14€150 EUR
Retailer 11€156 EUR
Retailer 6€159 EUR
Retailer 8€190 EUR
Retailer 9€271 EUR
Retailer 1€276 EUR
Retailer 15€281 EUR
Retailer 3€296 EUR
Retailer 4€303 EUR
Retailer 12€418 EUR
Retailer 13€513 EUR
Retailer 5€562 EUR
Retailer 7€564 EUR
Retailer 10€743 EUR
Reve Diamonds€908 EUR

37 data points across 16 retailers

18 retailers€129 EUR to €908 EUR

A
Cheapest Retailer
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€129 EUR
A
Retailer 2
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€150 EUR
View
A
Retailer 3
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€156 EUR
View
Final sale: no returns
Retailer 4
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€156 EUR
View
Price last confirmed 13 days ago
A
Retailer 5
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€159 EUR
View
A
Retailer 6
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€190 EUR
View
A
Retailer 7
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€271 EUR
View
A
Retailer 8
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€276 EUR
View
A
Retailer 9
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€281 EUR
View
A
Retailer 10
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€296 EUR
View
A
Retailer 11
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€303 EUR
View
B+
Retailer 12
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€418 EUR
View
B+
Retailer 13
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€513 EUR
View
Retailer 14
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€541 EUR
View
Price last confirmed 103 days ago
B
Retailer 15
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€562 EUR
View
B
Retailer 16
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€564 EUR
View
B
Retailer 17
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€743 EUR
View
Most Expensive
B
Reve Diamonds
0CA34C042 · Nov 6
€908 EUR
$1,014 USD
View
17 more retailers have this diamond
Prices start from €129 EURSave up to €779 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
1.00ct Radiant
€129 EUR