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Round|Lab Grown|IGI

1.04ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG818686444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686444

Diamond specifications and retailer prices

From €255 EUR
$286 USD
As of November 1, 2026
Save €495 EUR (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €750 EUR 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 LG818686444 or 818686444. Listed at 10 retailers as of October 29, 2026, with prices from €255 to €750, a €495 spread on the same certified stone. MOH London lists it at €750. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686444
Dimensions6.44 × 6.41 × 4.03 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
6.44 mm6.41 mm1.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686444
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

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: €750 EUR|Low: €160 EUR|High: €754 EUR|Avg: €382 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€160 EUR
Retailer 9€255 EUR
Retailer 4€274 EUR
Retailer 3€280 EUR
Retailer 7€295 EUR
Retailer 5€357 EUR
Retailer 8€379 EUR
Retailer 2€412 EUR
Retailer 10€562 EUR
MOH London€750 EUR

43 data points across 10 retailers

10 retailers€255 EUR to €750 EUR

Retailer 1
-
€160 EUR
$179 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€255 EUR
$286 USD
View
A
Retailer 3
-
€274 EUR
£242 GBP
View
A
Retailer 4
-
€280 EUR
View
B+
Retailer 5
-
€295 EUR
$331 USD
View
B+
Retailer 6
-
€357 EUR
$400 USD
View
B+
Retailer 7
-
€379 EUR
$425 USD
View
B
Retailer 8
-
€412 EUR
$462 USD
View
B
Retailer 9
-
€562 EUR
$630 USD
View
Most Expensive
B
MOH London
LG818686444 · Oct 29
€750 EUR
£662 GBP
View
9 more retailers have this diamond
Prices start from €255 EURSave up to €495 EUR

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
€255 EUR