Radiant|Lab Grown|IGI

1.01ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG474116508

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

Certificate IGI LG474116508

Diamond specifications and retailer prices

From €555 EUR
$620 USD
As of October 31, 2026
Save €528 EUR (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,817 EUR at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116508 or 474116508. Listed at 11 retailers as of October 31, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116508
Dimensions6.24 × 4.96 × 3.46 mm
L/W Ratio1.26
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
6.24 mm4.96 mm1.01 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116508
Side View
Table 60.5%Crown 43.2°Girdle: STK-THKPavilion 30.1°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,817 EUR|Low: €445 EUR|High: €2,756 EUR|Avg: €1,120 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3€555 EUR
Retailer 6€558 EUR
Retailer 9€624 EUR
Retailer 10€624 EUR
Retailer 7€691 EUR
Retailer 8€1,058 EUR
Retailer 2€1,083 EUR
Retailer 5€1,715 EUR
NZ Jewellers€1,817 EUR
Retailer 4€2,727 EUR

43 data points across 10 retailers

11 retailers€555 EUR to €1,083 EUR

B+
Cheapest Retailer
-
€555 EUR
$620 USD
B+
Retailer 2
-
€558 EUR
$623 USD
View
B
Retailer 3
-
€624 EUR
$697 USD
View
Final sale: no returns
B
Retailer 4
-
€624 EUR
$697 USD
View
Retailer 5
-
€691 EUR
$772 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
€691 EUR
$772 USD
View
B
Retailer 7
-
€1,058 EUR
$1,182 USD
View
B
Retailer 8
-
€1,083 EUR
£952 GBP
View
Retailer 9
-
€1,715 EUR
$1,916 USD
View
Price under review
Most Expensive
NZ Jewellers
eecdfe86-bcbb-447f-b121-325dd4efdbcc · Oct 28
€1,817 EUR
$2,030 USD
View
Price under review
9 more retailers have this diamond
Prices start from €555 EURSave up to €528 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.

B+
1.01ct Radiant
€555 EUR