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Round|Lab Grown|IGI

1.25ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG447001340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001340

Diamond specifications and retailer prices

From €636 EUR
$710 USD
As of October 30, 2026
Save €3,761 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,397 EUR at MOH London · As of October 29, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG447001340 or 447001340. Listed at 13 retailers as of October 29, 2026, with prices from €636 to €4,397, a €3,761 spread on the same certified stone. MOH London lists it at €4,397. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001340
Dimensions6.79 × 6.82 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.79 mm6.82 mm1.25 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001340
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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: Oct 30
Current: €4,397 EUR|Low: €636 EUR|High: €4,432 EUR|Avg: €1,982 EUR|-0.5%
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
October 30, 2026
Retailer 2€636 EUR
Retailer 9€1,173 EUR
Retailer 14€1,277 EUR
Retailer 13€1,315 EUR
Retailer 10€1,361 EUR
Retailer 12€1,361 EUR
Retailer 4€1,517 EUR
Retailer 5€1,865 EUR
Retailer 11€2,154 EUR
Retailer 8€2,503 EUR
Retailer 6€2,538 EUR
Retailer 3€2,552 EUR
Retailer 7€3,006 EUR
MOH London€4,397 EUR

41 data points across 14 retailers

13 retailers€636 EUR to €4,397 EUR

A
Cheapest Retailer
-
€636 EUR
$710 USD
B+
Retailer 2
-
€1,173 EUR
$1,311 USD
View
B+
Retailer 3
-
€1,277 EUR
$1,427 USD
View
B
Retailer 4
-
€1,315 EUR
$1,469 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,361 EUR
$1,521 USD
View
Retailer 6
-
€1,361 EUR
$1,521 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,517 EUR
$1,695 USD
View
B
Retailer 8
-
€2,154 EUR
$2,406 USD
View
B
Retailer 9
-
€2,503 EUR
ZAR 45,169 ZAR
View
B
Retailer 10
-
€2,538 EUR
$2,835 USD
View
B
Retailer 11
-
€2,552 EUR
$2,851 USD
View
B
Retailer 12
-
€3,006 EUR
£2,644 GBP
View
Most Expensive
B
MOH London
LG447001340 · Oct 29
€4,397 EUR
£3,868 GBP
View
12 more retailers have this diamond
Prices start from €636 EURSave up to €3,761 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
€636 EUR