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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG519237667

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

Certificate IGI LG519237667

Diamond specifications and retailer prices

From €145 EUR
$162 USD
As of October 30, 2026
Save €815 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €960 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 LG519237667 or 519237667. Listed at 19 retailers as of October 30, 2026, with prices from €145 to €960, a €815 spread on the same certified stone. Reve Diamonds lists it at €960. 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 angle46.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519237667
Dimensions6.75 × 4.94 × 3.40 mm
L/W Ratio1.37
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
6.75 mm4.94 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519237667
Side View
Table 67.5%Crown 46.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 68.8%

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: €336 EUR|Low: €140 EUR|High: €851 EUR|Avg: €361 EUR|+6.2%
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
October 31, 2026
Retailer 11€145 EUR
Retailer 7€162 EUR
Retailer 4€168 EUR
Retailer 5€180 EUR
Retailer 14€180 EUR
Retailer 12€243 EUR
Retailer 8€315 EUR
Retailer 1€336 EUR
Retailer 2€353 EUR
Retailer 6€397 EUR
Retailer 10€472 EUR
Retailer 3€579 EUR
Retailer 13€680 EUR
Retailer 9€847 EUR

43 data points across 14 retailers

19 retailers€145 EUR to €960 EUR

A
Cheapest Retailer
-
€145 EUR
$162 USD
A
Retailer 2
-
€162 EUR
$181 USD
View
Final sale: no returns
A
Retailer 3
-
€168 EUR
$188 USD
View
A
Retailer 4
-
€180 EUR
$201 USD
View
A
Retailer 5
-
€180 EUR
$201 USD
View
A
Retailer 6
-
€206 EUR
HK$1,800 HKD
View
B+
Retailer 7
-
€243 EUR
$272 USD
View
A
Retailer 8
-
€291 EUR
$325 USD
View
A
Retailer 9
-
€315 EUR
£277 GBP
View
B+
Retailer 10
-
€336 EUR
View
Retailer 11
-
€353 EUR
£311 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
€397 EUR
$443 USD
View
B+
Retailer 13
-
€472 EUR
$527 USD
View
B
Retailer 14
-
€554 EUR
£487 GBP
View
B
Retailer 15
-
€579 EUR
$647 USD
View
B
Retailer 16
-
€628 EUR
$702 USD
View
B
Retailer 17
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€680 EUR
$760 USD
View
B
Retailer 18
-
€847 EUR
£745 GBP
View
Most Expensive
B
Reve Diamonds
730792602 · Oct 30
€960 EUR
$1,073 USD
View
18 more retailers have this diamond
Prices start from €145 EURSave up to €815 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
€145 EUR