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Round|Lab Grown|IGI

1.51ct J SI1 Round Lab Grown Diamond

VG • J/SI1 • IGI LG442067251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067251

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 31, 2026
Save €3,138 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,899 EUR at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG442067251 or 442067251. Listed at 11 retailers as of October 31, 2026, with prices from €761 to €3,899, a €3,138 spread on the same certified stone. MOH London lists it at €3,899. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067251
Dimensions7.26 × 7.22 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.26 mm7.22 mm1.51 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067251
Side View
Table 56.5%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.0%

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: €3,899 EUR|Low: €761 EUR|High: €3,950 EUR|Avg: €1,758 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€761 EUR
Retailer 3€1,046 EUR
Retailer 6€1,172 EUR
Retailer 4€1,214 EUR
Retailer 10€1,321 EUR
Retailer 7€1,369 EUR
Retailer 9€1,724 EUR
Retailer 5€1,927 EUR
Retailer 8€2,391 EUR
MOH London€3,899 EUR

15 data points across 10 retailers

11 retailers€761 EUR to €3,899 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,046 EUR
$1,169 USD
View
B+
Retailer 3
-
€1,138 EUR
$1,271 USD
View
B+
Retailer 4
-
€1,172 EUR
$1,309 USD
View
Final sale: no returns
Retailer 5
-
€1,214 EUR
$1,356 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,214 EUR
$1,356 USD
View
B
Retailer 7
-
€1,369 EUR
$1,530 USD
View
B
Retailer 8
-
€1,927 EUR
$2,153 USD
View
B
Retailer 9
-
€2,274 EUR
$2,541 USD
View
B
Retailer 10
-
€2,391 EUR
$2,671 USD
View
Most Expensive
B
MOH London
LG442067251 · Nov 1
€3,899 EUR
£3,430 GBP
View
10 more retailers have this diamond
Prices start from €761 EURSave up to €3,138 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
€761 EUR