Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG588377711

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

Certificate IGI LG588377711

Diamond specifications and retailer prices

From $271 USD
£213 GBP
As of October 30, 2026
Save $1,079 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,350 USD at MOH London · As of October 25, 2026
View at MOH London

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 LG588377711 or 588377711. Listed at 13 retailers as of October 25, 2026, with prices from $271 to $1,350, a $1,079 spread on the same certified stone. MOH London lists it at $1,350. 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 angle43.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588377711
Dimensions7.23 × 4.90 × 3.29 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.23 mm4.90 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588377711
Side View
Table 65.0%Crown 43.8°Girdle: MediumPavilion 35°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
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: $1,350 USD|Low: $146 USD|High: $1,364 USD|Avg: $441 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$146 USD
Retailer 11$256 USD
Retailer 2$271 USD
Retailer 7$306 USD
Retailer 4$307 USD
Retailer 5$309 USD
Retailer 3$314 USD
Retailer 10$483 USD
Retailer 6$548 USD
Retailer 8$640 USD
MOH London$1,350 USD

37 data points across 11 retailers

13 retailers$271 USD to $1,350 USD

Retailer 1
-
$151 USD
Price last confirmed 33 days ago
Retailer 2
-
$159 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$256 USD
HK$2,001 HKD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$271 USD
£213 GBP
View
A
Retailer 5
-
$306 USD
View
A
Retailer 6
-
$307 USD
£241 GBP
View
Retailer 7
-
$309 USD
€294 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$314 USD
View
B+
Retailer 9
-
$483 USD
View
B
Retailer 10
-
$548 USD
View
B+
Retailer 11
-
$585 USD
£460 GBP
View
B
Retailer 12
-
$640 USD
View
Most Expensive
B
MOH London
LG588377711 · Oct 25
$1,350 USD
£1,063 GBP
View
12 more retailers have this diamond
Prices start from $271 USDSave up to $1,079 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
$271 USD