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Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG492136389

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136389

Diamond specifications and retailer prices

From €788 EUR
$880 USD
As of October 31, 2026
Save €3,665 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,453 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492136389 or 492136389. Listed at 12 retailers as of October 29, 2026, with prices from €788 to €4,453, a €3,665 spread on the same certified stone. MOH London lists it at €4,453. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136389
Dimensions7.50 × 7.59 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.50 mm7.59 mm1.51 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136389
Side View
Table 60.5%Crown 31.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.0%

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 31
Current: €4,453 EUR|Low: €788 EUR|High: €4,488 EUR|Avg: €2,119 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
October 30, 2026
Retailer 2€788 EUR
Retailer 7€1,189 EUR
Retailer 10€1,293 EUR
Retailer 12€1,331 EUR
Retailer 8€1,378 EUR
Retailer 13€1,531 EUR
Retailer 4€1,895 EUR
Retailer 9€2,180 EUR
Retailer 6€2,534 EUR
Retailer 3€2,569 EUR
Retailer 11€2,584 EUR
Retailer 5€3,946 EUR
MOH London€4,453 EUR

21 data points across 13 retailers

12 retailers€788 EUR to €4,453 EUR

A
Cheapest Retailer
-
€788 EUR
$880 USD
A
Retailer 2
-
€1,189 EUR
$1,328 USD
View
B+
Retailer 3
-
€1,293 EUR
$1,444 USD
View
B+
Retailer 4
-
€1,331 EUR
$1,487 USD
View
Final sale: no returns
Retailer 5
-
€1,378 EUR
$1,540 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,378 EUR
$1,540 USD
View
B+
Retailer 7
-
€1,531 EUR
$1,710 USD
View
B
Retailer 8
-
€2,180 EUR
$2,435 USD
View
B
Retailer 9
-
€2,534 EUR
ZAR 45,734 ZAR
View
B
Retailer 10
-
€2,569 EUR
$2,870 USD
View
B
Retailer 11
-
€2,584 EUR
$2,887 USD
View
Most Expensive
B
MOH London
LG492136389 · Oct 29
€4,453 EUR
£3,917 GBP
View
11 more retailers have this diamond
Prices start from €788 EURSave up to €3,665 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
1.51ct Round
€788 EUR