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Round|Lab Grown|IGI

1.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG825655309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825655309

Diamond specifications and retailer prices

From $197 AUD
$138 USD
As of November 1, 2026
Save $943 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,140 AUD 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 LG825655309 or 825655309. Listed at 16 retailers as of November 1, 2026, with prices from $197 to $1,140, a $943 spread on the same certified stone. MOH London lists it at $1,140. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655309
Dimensions6.43 × 6.41 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.41 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655309
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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: $1,140 AUD|Low: $195 AUD|High: $1,156 AUD|Avg: $524 AUD|-1.1%
MOH London
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 11$197 AUD
Retailer 16$220 AUD
Retailer 3$228 AUD
Retailer 6$244 AUD
Retailer 8$244 AUD
Retailer 7$387 AUD
Retailer 10$414 AUD
Retailer 9$428 AUD
Retailer 13$455 AUD
Retailer 4$542 AUD
Retailer 2$625 AUD
Retailer 5$677 AUD
Retailer 12$701 AUD
Retailer 14$783 AUD
Retailer 15$864 AUD
MOH London$1,140 AUD

22 data points across 16 retailers

16 retailers$197 AUD to $1,140 AUD

A
Cheapest Retailer
-
$197 AUD
$138 USD
A
Retailer 2
-
$220 AUD
$154 USD
View
Final sale: no returns
A
Retailer 3
-
$228 AUD
$160 USD
View
A
Retailer 4
-
$244 AUD
$171 USD
View
Retailer 5
-
$244 AUD
$171 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$387 AUD
$271 USD
View
A
Retailer 7
-
$414 AUD
£229 GBP
View
A
Retailer 8
-
$428 AUD
£236 GBP
View
A
Retailer 9
-
$455 AUD
$319 USD
View
B+
Retailer 10
-
$542 AUD
$380 USD
View
B+
Retailer 11
-
$625 AUD
$438 USD
View
B+
Retailer 12
-
$677 AUD
SGD 641 SGD
View
B+
Retailer 13
-
$701 AUD
$491 USD
View
B+
Retailer 14
-
$783 AUD
$549 USD
View
B
Retailer 15
-
$864 AUD
$605 USD
View
Most Expensive
B
MOH London
LG825655309 · Nov 1
$1,140 AUD
£629 GBP
View
15 more retailers have this diamond
Prices start from $197 AUDSave up to $943 AUD

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
$197 AUD