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Round|Lab Grown|IGI

1.51ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG447001714

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001714

Diamond specifications and retailer prices

From €749 EUR
$840 USD
As of October 31, 2026
Save €2,971 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,720 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001714 or 447001714. Listed at 11 retailers as of October 29, 2026, with prices from €749 to €3,720, a €2,971 spread on the same certified stone. MOH London lists it at €3,720. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001714
Dimensions7.37 × 7.32 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.37 mm7.32 mm1.51 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001714
Side View
Table 57.0%Crown 32.3°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 60.5%

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: Oct 31
Current: €3,720 EUR|Low: €749 EUR|High: €3,750 EUR|Avg: €1,625 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
November 1, 2026
Retailer 6€749 EUR
Retailer 7€941 EUR
Retailer 10€1,024 EUR
Retailer 12€1,052 EUR
Retailer 8€1,091 EUR
Retailer 13€1,091 EUR
Retailer 2€1,266 EUR
Retailer 4€1,575 EUR
Retailer 9€1,739 EUR
Retailer 11€2,045 EUR
Retailer 3€2,280 EUR
Retailer 5€2,440 EUR
MOH London€3,720 EUR

37 data points across 13 retailers

11 retailers€749 EUR to €3,720 EUR

A
Cheapest Retailer
-
€749 EUR
$840 USD
B+
Retailer 2
-
€941 EUR
$1,055 USD
View
B+
Retailer 3
-
€1,024 EUR
$1,148 USD
View
B+
Retailer 4
-
€1,052 EUR
$1,180 USD
View
Final sale: no returns
Retailer 5
-
€1,091 EUR
$1,224 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€1,091 EUR
$1,224 USD
View
B+
Retailer 7
-
€1,266 EUR
£1,118 GBP
View
B
Retailer 8
-
€1,739 EUR
$1,951 USD
View
B
Retailer 9
-
€2,045 EUR
$2,294 USD
View
B
Retailer 10
-
€2,280 EUR
$2,557 USD
View
Most Expensive
B
MOH London
LG447001714 · Oct 29
€3,720 EUR
£3,285 GBP
View
10 more retailers have this diamond
Prices start from €749 EURSave up to €2,971 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
€749 EUR