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Round|Lab Grown|IGI

1.22ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG765603203

Shape and cutting style on the report: Round brilliant

Certificate IGI LG765603203

Diamond specifications and retailer prices

From €315 EUR
As of November 3, 2026
Save €547 EUR (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €862 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG765603203 or 765603203. Listed at 10 retailers as of November 1, 2026, with prices from €315 to €862, a €547 spread on the same certified stone. MOH London lists it at €862. 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

1.22
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765603203
Dimensions6.82 × 6.78 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
6.82 mm6.78 mm1.22 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765603203
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

Caratlytics Score

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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 3
Current: €862 EUR|Low: €184 EUR|High: €888 EUR|Avg: €415 EUR|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 9€184 EUR
Retailer 3€315 EUR
Retailer 5€326 EUR
Retailer 7€332 EUR
Retailer 8€341 EUR
Retailer 6€407 EUR
Retailer 2€432 EUR
Retailer 4€480 EUR
Retailer 10€526 EUR
MOH London€862 EUR

35 data points across 10 retailers

10 retailers€315 EUR to €862 EUR

Retailer 1
-
€184 EUR
Price last confirmed 12 days ago
A
Retailer 2
-
€315 EUR
View
A
Retailer 3
-
€326 EUR
View
A
Retailer 4
-
€332 EUR
View
A
Retailer 5
-
€341 EUR
View
B+
Retailer 6
-
€407 EUR
View
B+
Retailer 7
-
€432 EUR
View
B
Retailer 8
-
€480 EUR
View
B+
Retailer 9
-
€526 EUR
View
Most Expensive
B
MOH London
LG765603203 · Nov 1
€862 EUR
£762 GBP
View
9 more retailers have this diamond
Prices start from €315 EURSave up to €547 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
1.22ct Round
€315 EUR