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Round|Lab Grown|IGI

1.04ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG825655103

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825655103

Diamond specifications and retailer prices

From $141 USD
As of October 29, 2026
Save $682 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $823 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct 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 LG825655103 or 825655103. Listed at 16 retailers as of October 29, 2026, with prices from $141 to $823, a $682 spread on the same certified stone. MOH London lists it at $823. 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

1.04
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655103
Dimensions6.57 × 6.61 × 3.96 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
6.57 mm6.61 mm1.04 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655103
Side View
Table 60.0%Crown 33.2°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.0%

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: Oct 29
Current: $823 USD|Low: $140 USD|High: $828 USD|Avg: $371 USD|-0.6%
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
October 31, 2026
Retailer 11$141 USD
Retailer 16$157 USD
Retailer 5$164 USD
Retailer 6$175 USD
Retailer 8$175 USD
Retailer 7$285 USD
Retailer 2$299 USD
Retailer 10$308 USD
Retailer 13$326 USD
Retailer 4$390 USD
Retailer 9$445 USD
Retailer 3$485 USD
Retailer 12$496 USD
Retailer 14$562 USD
Retailer 15$618 USD
MOH London$823 USD

23 data points across 16 retailers

16 retailers$141 USD to $823 USD

A
Cheapest Retailer
-
$141 USD
A
Retailer 2
-
$157 USD
View
Final sale: no returns
A
Retailer 3
-
$164 USD
View
A
Retailer 4
-
$175 USD
View
A
Retailer 5
-
$175 USD
View
A
Retailer 6
-
$285 USD
View
A
Retailer 7
-
$299 USD
£235 GBP
View
A
Retailer 8
-
$308 USD
£242 GBP
View
A
Retailer 9
-
$326 USD
View
Retailer 10
-
$390 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$445 USD
View
B+
Retailer 12
-
$485 USD
SGD 655 SGD
View
B+
Retailer 13
-
$496 USD
View
B+
Retailer 14
-
$562 USD
View
B
Retailer 15
-
$618 USD
View
Most Expensive
B
MOH London
LG825655103 · Oct 29
$823 USD
£648 GBP
View
15 more retailers have this diamond
Prices start from $141 USDSave up to $682 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
1.04ct Round
$141 USD