Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG497175915

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

Certificate IGI LG497175915

Diamond specifications and retailer prices

From $213 USD
As of October 30, 2026
Save $1,155 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,040 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG497175915 or 497175915. Listed at 15 retailers as of October 30, 2026, with a 542% 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497175915
Dimensions7.08 × 4.88 × 3.39 mm
L/W Ratio1.45
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
7.08 mm4.88 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497175915
Side View
Table 72.0%Crown 41°Girdle: ThickPavilionCulet: NoneDepth 69.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,040 USD|Low: $204 USD|High: $2,040 USD|Avg: $658 USD
Do Amore Diamonds
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 30, 2026
Retailer 13$213 USD
Retailer 11$247 USD
Retailer 12$264 USD
Retailer 14$264 USD
Retailer 2$350 USD
Retailer 5$453 USD
Retailer 6$499 USD
Retailer 7$550 USD
Retailer 3$800 USD
Retailer 10$851 USD
Retailer 4$936 USD
Retailer 9$1,170 USD
Retailer 8$1,368 USD
Do Amore Diamonds$2,040 USD

43 data points across 14 retailers

15 retailers$213 USD to $1,368 USD

A
Cheapest Retailer
-
$213 USD
A
Retailer 2
-
$247 USD
View
A
Retailer 3
-
$263 USD
View
A
Retailer 4
-
$264 USD
View
A
Retailer 5
-
$264 USD
View
A
Retailer 6
-
$350 USD
£275 GBP
View
B+
Retailer 7
-
$453 USD
View
B+
Retailer 8
-
$499 USD
View
B+
Retailer 9
-
$550 USD
£433 GBP
View
B
Retailer 10
-
$800 USD
View
B
Retailer 11
-
$851 USD
View
B
Retailer 12
-
$936 USD
View
B
Retailer 13
-
$1,170 USD
£921 GBP
View
B
Retailer 14
-
$1,368 USD
CA$1,900 CAD
View
Most Expensive
Do Amore Diamonds
27-2F8BC8A6E · Oct 31
$2,040 USD
View
Price under review
14 more retailers have this diamond
Prices start from $213 USDSave up to $1,155 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.

A
1.01ct Radiant
$213 USD