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Round|Lab Grown|IGI

1.25ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG821638274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821638274

Diamond specifications and retailer prices

From €264 EUR
$295 USD
As of November 1, 2026
Save €621 EUR (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €886 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821638274 or 821638274. Listed at 6 retailers as of November 1, 2026, with prices from €264 to €886, a €621 spread on the same certified stone. MOH London lists it at €886. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638274
Dimensions6.93 × 6.90 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.93 mm6.90 mm1.25 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638274
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: €886 EUR|Low: €264 EUR|High: €897 EUR|Avg: €555 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3€264 EUR
Retailer 4€414 EUR
Retailer 2€465 EUR
Retailer 5€603 EUR
Retailer 6€658 EUR
MOH London€886 EUR

15 data points across 6 retailers

6 retailers€264 EUR to €886 EUR

B+
Cheapest Retailer
-
€264 EUR
$295 USD
A
Retailer 2
-
€414 EUR
$462 USD
View
A
Retailer 3
-
€465 EUR
$520 USD
View
B+
Retailer 4
-
€603 EUR
$674 USD
View
B+
Retailer 5
-
€658 EUR
$735 USD
View
Most Expensive
B+
MOH London
LG821638274 · Nov 1
€886 EUR
£779 GBP
View
5 more retailers have this diamond
Prices start from €264 EURSave up to €621 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
1.25ct Round
€264 EUR