CaratHunter
Plans
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 €796 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €979 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 €979, a €796 spread on the same certified stone. MOH London lists it at €979. 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
Colour
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

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 29
Current: €979 EUR|Low: €169 EUR|High: €1,025 EUR|Avg: €468 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
October 29, 2026
Retailer 4€183 EUR
Retailer 6€196 EUR
Retailer 3€209 EUR
Retailer 7€367 EUR
Retailer 5€384 EUR
Retailer 2€415 EUR
Retailer 10€441 EUR
Retailer 9€452 EUR
Retailer 11€672 EUR
Retailer 8€674 EUR
MOH London€979 EUR

40 data points across 11 retailers

11 retailers€183 EUR to €979 EUR

A
Cheapest Retailer
-
€183 EUR
$204 USD
A
Retailer 2
-
€196 EUR
$218 USD
View
A
Retailer 3
-
€209 EUR
$233 USD
View
B+
Retailer 4
-
€367 EUR
$408 USD
View
A
Retailer 5
-
€384 EUR
View
A
Retailer 6
-
€415 EUR
£363 GBP
View
B+
Retailer 7
-
€441 EUR
$491 USD
View
A
Retailer 8
-
€452 EUR
$503 USD
View
B
Retailer 9
-
€672 EUR
$748 USD
View
B
Retailer 10
-
€674 EUR
$750 USD
View
Most Expensive
B
MOH London
LG778671695 · Oct 26
€979 EUR
£858 GBP
View
10 more retailers have this diamond
Prices start from €183 EURSave up to €796 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