Round|Lab Grown|IGI

1.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG818687215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687215

Diamond specifications and retailer prices

From $141 USD
As of November 1, 2026
Save $676 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $817 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round 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 LG818687215 or 818687215. Listed at 14 retailers as of November 1, 2026, with prices from $141 to $817, a $676 spread on the same certified stone. MOH London lists it at $817. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687215
Dimensions6.40 × 6.45 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm6.45 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687215
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 1
Current: $817 USD|Low: $141 USD|High: $827 USD|Avg: $392 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 2, 2026
Retailer 8$141 USD
Retailer 9$163 USD
Retailer 3$272 USD
Retailer 2$298 USD
Retailer 5$306 USD
Retailer 6$310 USD
Retailer 11$326 USD
Retailer 4$390 USD
Retailer 7$443 USD
Retailer 10$617 USD
MOH London$817 USD

31 data points across 11 retailers

14 retailers$141 USD to $817 USD

A
Cheapest Retailer
-
$141 USD
A
Retailer 2
-
$163 USD
View
Retailer 3
-
$175 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$175 USD
View
A
Retailer 5
-
$272 USD
View
A
Retailer 6
-
$298 USD
£235 GBP
View
A
Retailer 7
-
$306 USD
£241 GBP
View
A
Retailer 8
-
$310 USD
€295 EUR
View
B+
Retailer 9
-
$326 USD
View
B+
Retailer 10
-
$390 USD
View
B+
Retailer 11
-
$443 USD
View
B
Retailer 12
-
$562 USD
View
B
Retailer 13
-
$617 USD
View
Most Expensive
B
MOH London
LG818687215 · Nov 1
$817 USD
£643 GBP
View
13 more retailers have this diamond
Prices start from $141 USDSave up to $676 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 Round
$141 USD