CaratHunter
Plans
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 €758 EUR
$850 USD
As of November 2, 2026
Save €3,126 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,884 EUR at MOH London · As of November 3, 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 November 2, 2026, with prices from €758 to €3,884, a €3,126 spread on the same certified stone. MOH London lists it at €3,884. 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
Colour
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
undefined
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: Nov 2
Current: €3,884 EUR|Low: €758 EUR|High: €3,935 EUR|Avg: €1,751 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€758 EUR
Retailer 3€1,042 EUR
Retailer 6€1,167 EUR
Retailer 4€1,209 EUR
Retailer 10€1,316 EUR
Retailer 7€1,364 EUR
Retailer 9€1,717 EUR
Retailer 5€1,920 EUR
Retailer 8€2,381 EUR
MOH London€3,884 EUR

15 data points across 10 retailers

11 retailers€758 EUR to €3,884 EUR

A
Cheapest Retailer
-
€758 EUR
$850 USD
B+
Retailer 2
-
€1,042 EUR
$1,169 USD
View
B+
Retailer 3
-
€1,133 EUR
$1,271 USD
View
B+
Retailer 4
-
€1,167 EUR
$1,309 USD
View
Final sale: no returns
Retailer 5
-
€1,209 EUR
$1,356 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€1,209 EUR
$1,356 USD
View
B
Retailer 7
-
€1,364 EUR
$1,530 USD
View
B
Retailer 8
-
€1,920 EUR
$2,153 USD
View
B
Retailer 9
-
€2,266 EUR
$2,541 USD
View
B
Retailer 10
-
€2,381 EUR
$2,671 USD
View
Most Expensive
B
MOH London
LG442067251 · Nov 3
€3,884 EUR
£3,430 GBP
View
10 more retailers have this diamond
Prices start from €758 EURSave up to €3,126 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
€758 EUR