CaratHunter
Plans
Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG813648969

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

Certificate IGI LG813648969

Diamond specifications and retailer prices

From $129 USD
As of November 2, 2026
Save $1,208 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,337 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813648969 or 813648969. Listed at 11 retailers as of November 1, 2026, with prices from $129 to $1,337, a $1,208 spread on the same certified stone. MOH London lists it at $1,337. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813648969
Dimensions7.12 × 4.94 × 3.22 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.12 mm4.94 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813648969
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.2%

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: Nov 2
Current: $1,337 USD|Low: $124 USD|High: $1,354 USD|Avg: $498 USD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$129 USD
Retailer 10$150 USD
Retailer 4$209 USD
Retailer 2$289 USD
Retailer 11$482 USD
Retailer 3$508 USD
Retailer 8$515 USD
Retailer 7$540 USD
Retailer 9$542 USD
Retailer 5$544 USD
MOH London$1,337 USD

29 data points across 11 retailers

11 retailers$129 USD to $1,337 USD

A
Cheapest Retailer
-
$129 USD
A
Retailer 2
-
$150 USD
View
Retailer 3
-
$209 USD
£164 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$289 USD
€275 EUR
View
B+
Retailer 5
-
$482 USD
View
B+
Retailer 6
-
$508 USD
A$782 AUD
View
B
Retailer 7
-
$515 USD
View
B+
Retailer 8
-
$540 USD
View
Retailer 9
-
$542 USD
SGD 733 SGD
View
Price last confirmed 21 days ago
B
Retailer 10
-
$544 USD
View
Most Expensive
B
MOH London
LG813648969 · Nov 1
$1,337 USD
£1,053 GBP
View
10 more retailers have this diamond
Prices start from $129 USDSave up to $1,208 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
1.00ct Radiant
$129 USD