Asscher|Lab Grown|IGI

4.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG774676102

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG774676102

Diamond specifications and retailer prices

From €464 EUR
$518 USD
As of October 30, 2026
Save €4,531 EUR (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,995 EUR at Brilliant Earth · As of October 31, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG774676102 or 774676102. Listed at 17 retailers as of October 30, 2026, with prices from €464 to €4,995, a €4,531 spread on the same certified stone. Brilliant Earth lists it at €4,995. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774676102
Dimensions9.11 × 8.83 × 5.86 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.11 mm8.83 mm4.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774676102
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €4,995 EUR|Low: €464 EUR|High: €6,319 EUR|Avg: €1,296 EUR|-21.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16€464 EUR
Retailer 7€519 EUR
Retailer 13€519 EUR
Retailer 17€537 EUR
Retailer 5€576 EUR
Retailer 15€576 EUR
Retailer 12€698 EUR
Retailer 4€772 EUR
Retailer 10€862 EUR
Retailer 6€880 EUR
Retailer 2€884 EUR
Retailer 3€1,484 EUR
Retailer 14€1,513 EUR
Retailer 9€1,870 EUR
Retailer 8€1,885 EUR
Retailer 11€2,413 EUR
Brilliant Earth€4,995 EUR

38 data points across 17 retailers

17 retailers€464 EUR to €4,995 EUR

A
Cheapest Retailer
-
€464 EUR
$518 USD
A
Retailer 2
-
€519 EUR
$580 USD
View
Final sale: no returns
A
Retailer 3
-
€519 EUR
$580 USD
View
Retailer 4
-
€537 EUR
£473 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
€576 EUR
$643 USD
View
Retailer 6
-
€576 EUR
$643 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
€698 EUR
$780 USD
View
B+
Retailer 8
-
€772 EUR
$862 USD
View
A
Retailer 9
-
€862 EUR
View
A
Retailer 10
-
€880 EUR
$983 USD
View
A
Retailer 11
-
€884 EUR
£777 GBP
View
B+
Retailer 12
-
€1,484 EUR
$1,658 USD
View
B+
Retailer 13
-
€1,513 EUR
$1,690 USD
View
B+
Retailer 14
-
€1,870 EUR
$2,090 USD
View
B+
Retailer 15
-
€1,885 EUR
$2,106 USD
View
B
Retailer 16
-
€2,413 EUR
£2,123 GBP
View
Most Expensive
B
Brilliant Earth
18616228A · Oct 31
€4,995 EUR
$5,580 USD
View
16 more retailers have this diamond
Prices start from €464 EURSave up to €4,531 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
€464 EUR