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Asscher|Lab Grown|IGI

4.51ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG719576944

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG719576944

Diamond specifications and retailer prices

From €1,323 EUR
HK$11,500 HKD
As of October 29, 2026
Save €4,751 EUR (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €6,074 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.51ct lab-grown asscher diamond

This 4.51ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG719576944 or 719576944. Listed at 5 retailers as of October 28, 2026, with prices from €1,323 to €6,074, a €4,751 spread on the same certified stone. Brilliant Earth lists it at €6,074. 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

4.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719576944
Dimensions8.92 × 8.91 × 6.01 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.92 mm8.91 mm4.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719576944
Side View
Table 67.0%Crown 38.1°Girdle: ThickPavilion 40.4°Culet: NoneDepth 67.5%

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: €6,074 EUR|Low: €1,268 EUR|High: €6,343 EUR|Avg: €3,973 EUR|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3€1,323 EUR
Retailer 5€1,323 EUR
Retailer 2€1,656 EUR
Retailer 4€3,825 EUR
Retailer 6€5,112 EUR
Brilliant Earth€6,074 EUR
Retailer 7€6,137 EUR
Retailer 8€6,137 EUR

15 data points across 8 retailers

5 retailers€1,323 EUR to €6,074 EUR

A
Cheapest Retailer
-
€1,323 EUR
HK$11,500 HKD
A
Retailer 2
-
€1,323 EUR
$1,473 USD
View
B+
Retailer 3
-
€1,656 EUR
View
B
Retailer 4
-
€3,825 EUR
SGD 5,753 SGD
View
Most Expensive
B
Brilliant Earth
15031781A · Oct 28
€6,074 EUR
$6,760 USD
View
4 more retailers have this diamond
Prices start from €1,323 EURSave up to €4,751 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
4.51ct Asscher
€1,323 EUR