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Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG846656607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846656607

Diamond specifications and retailer prices

From €229 EUR
HK$2,000 HKD
As of October 31, 2026
Save €746 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €975 EUR at MOH London · As of October 26, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846656607 or 846656607. Listed at 10 retailers as of October 26, 2026, with prices from €229 to €975, a €746 spread on the same certified stone. MOH London lists it at €975. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656607
Dimensions7.39 × 7.45 × 4.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.45 mm1.51 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656607
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.4%

Caratlytics Score

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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: €975 EUR|Low: €188 EUR|High: €975 EUR|Avg: €488 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11€188 EUR
Retailer 5€229 EUR
Retailer 8€325 EUR
Retailer 4€340 EUR
Retailer 9€358 EUR
Retailer 10€365 EUR
Retailer 3€618 EUR
Retailer 6€671 EUR
Retailer 7€671 EUR
Retailer 2€779 EUR
MOH London€975 EUR

5 data points across 11 retailers

10 retailers€229 EUR to €975 EUR

A
Cheapest Retailer
-
€229 EUR
HK$2,000 HKD
A
Retailer 2
-
€325 EUR
£286 GBP
View
A
Retailer 3
-
€340 EUR
View
B+
Retailer 4
-
€358 EUR
£315 GBP
View
B+
Retailer 5
-
€365 EUR
$408 USD
View
Retailer 6
-
€618 EUR
$690 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
€671 EUR
SGD 1,013 SGD
View
B
Retailer 8
-
€671 EUR
$750 USD
View
B
Retailer 9
-
€779 EUR
$870 USD
View
Most Expensive
B
MOH London
LG846656607 · Oct 26
€975 EUR
£858 GBP
View
9 more retailers have this diamond
Prices start from €229 EURSave up to €746 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
€229 EUR