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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG823695234

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823695234

Diamond specifications and retailer prices

From €606 EUR
As of November 3, 2026
Save €1,820 EUR (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,953 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823695234 or 823695234. Listed at 21 retailers as of November 3, 2026, with a 300% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695234
Dimensions6.91 × 6.88 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.91 mm6.88 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695234
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 60.5%

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 3
Current: €2,953 EUR|Low: €581 EUR|High: €3,001 EUR|Avg: €1,254 EUR|-1.5%
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
Retailer 17
November 5, 2026
Retailer 15€606 EUR
Retailer 16€659 EUR
Retailer 6€678 EUR
Retailer 5€703 EUR
Retailer 7€703 EUR
Retailer 3€762 EUR
Retailer 17€817 EUR
Retailer 9€861 EUR
Retailer 2€1,110 EUR
Retailer 11€1,142 EUR
Retailer 4€1,143 EUR
Retailer 10€1,189 EUR
Retailer 12€1,291 EUR
Retailer 14€1,796 EUR
Retailer 13€2,423 EUR
Retailer 8€2,427 EUR
MOH London€2,953 EUR

33 data points across 17 retailers

21 retailers€606 EUR to €2,427 EUR

A
Cheapest Retailer
-
€606 EUR
B+
Retailer 2
-
€659 EUR
View
B+
Retailer 3
-
€678 EUR
View
Final sale: no returns
Retailer 4
-
€703 EUR
View
Price last confirmed 20 days ago
B+
Retailer 5
-
€703 EUR
View
B+
Retailer 6
-
€762 EUR
View
B+
Retailer 7
-
€817 EUR
View
B+
Retailer 8
-
€861 EUR
View
B+
Retailer 9
-
€907 EUR
View
B+
Retailer 10
-
€1,110 EUR
View
B+
Retailer 11
-
€1,142 EUR
View
B
Retailer 12
-
€1,143 EUR
View
B+
Retailer 13
-
€1,189 EUR
View
B+
Retailer 14
-
€1,291 EUR
View
B
Retailer 15
-
€1,796 EUR
View
B
Retailer 16
-
€1,977 EUR
View
B
Retailer 17
-
€2,369 EUR
View
B
Retailer 18
-
€2,423 EUR
View
B
Retailer 19
-
€2,424 EUR
View
B
Retailer 20
-
€2,427 EUR
View
Most Expensive
MOH London
LG823695234 · Nov 5
€2,953 EUR
£2,620 GBP
View
Price under review
20 more retailers have this diamond
Prices start from €606 EURSave up to €1,820 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
1.21ct Round
€606 EUR