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Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG778671695

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778671695

Diamond specifications and retailer prices

From €183 EUR
$204 USD
As of October 29, 2026
Save €793 EUR (81%) vs most expensive(unlock to see where)
11 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 LG778671695 or 778671695. Listed at 11 retailers as of October 26, 2026, with prices from €183 to €975, a €793 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671695
Dimensions7.38 × 7.34 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.34 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671695
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.7%

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 29
Current: €975 EUR|Low: €167 EUR|High: €1,021 EUR|Avg: €439 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€183 EUR
Retailer 9€211 EUR
Retailer 5€221 EUR
Retailer 3€383 EUR
Retailer 2€383 EUR
Retailer 4€404 EUR
Retailer 8€455 EUR
Retailer 10€456 EUR
Retailer 6€726 EUR
Retailer 7€729 EUR
MOH London€975 EUR

43 data points across 11 retailers

11 retailers€183 EUR to €975 EUR

A
Cheapest Retailer
-
€183 EUR
$204 USD
A
Retailer 2
-
€211 EUR
$236 USD
View
A
Retailer 3
-
€221 EUR
$247 USD
View
A
Retailer 4
-
€383 EUR
View
B+
Retailer 5
-
€383 EUR
$428 USD
View
A
Retailer 6
-
€404 EUR
£355 GBP
View
B+
Retailer 7
-
€455 EUR
$508 USD
View
A
Retailer 8
-
€456 EUR
$509 USD
View
B
Retailer 9
-
€726 EUR
$811 USD
View
B
Retailer 10
-
€729 EUR
$814 USD
View
Most Expensive
B
MOH London
LG778671695 · Oct 26
€975 EUR
£858 GBP
View
10 more retailers have this diamond
Prices start from €183 EURSave up to €793 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
€183 EUR