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 $623 USD
As of October 27, 2026
Save $1,293 USD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,030 USD 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 26, 2026, with a 208% 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,210 USD|Low: $497 USD|High: $3,078 USD|Avg: $1,402 USD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$697 USD
Retailer 4$880 USD
Retailer 5$1,182 USD
Retailer 7$1,205 USD
Retailer 1$1,210 USD
Retailer 3$1,916 USD
Retailer 2$3,047 USD

41 data points across 7 retailers

11 retailers$623 USD to $1,916 USD

B+
Cheapest Retailer
-
$623 USD
B
Retailer 2
-
$697 USD
View
Final sale: no returns
B
Retailer 3
-
$697 USD
View
Retailer 4
-
$772 USD
View
Price last confirmed 13 days ago
B
Retailer 5
-
$772 USD
View
B
Retailer 6
-
$880 USD
View
B
Retailer 7
-
$1,182 USD
View
B
Retailer 8
-
$1,210 USD
£952 GBP
View
B
Retailer 9
-
$1,916 USD
View
Most Expensive
NZ Jewellers
eecdfe86-bcbb-447f-b121-325dd4efdbcc · Oct 28
$2,030 USD
View
Price under review
9 more retailers have this diamond
Prices start from $623 USDSave up to $1,293 USD

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
$623 USD