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Cushion|Lab Grown|IGI

4.51ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG780606629

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG780606629

Diamond specifications and retailer prices

From €810 EUR
$905 USD
As of October 31, 2026
Save €4,543 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,353 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780606629 or 780606629. Listed at 11 retailers as of October 31, 2026, with prices from €810 to €5,353, a €4,543 spread on the same certified stone. Do Amore Diamonds lists it at €5,353. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780606629
Dimensions9.66 × 9.51 × 6.43 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.51 mm4.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780606629
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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: €5,353 EUR|Low: €810 EUR|High: €5,934 EUR|Avg: €2,244 EUR|-9.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5€810 EUR
Retailer 4€962 EUR
Retailer 6€1,023 EUR
Retailer 8€1,138 EUR
Retailer 7€1,250 EUR
Retailer 3€1,260 EUR
Retailer 9€2,780 EUR
Retailer 2€3,045 EUR
Retailer 10€3,392 EUR
Retailer 11€3,490 EUR
Do Amore Diamonds€5,353 EUR

9 data points across 11 retailers

11 retailers€810 EUR to €5,353 EUR

A
Cheapest Retailer
-
€810 EUR
$905 USD
A
Retailer 2
-
€962 EUR
HK$8,400 HKD
View
A
Retailer 3
-
€1,023 EUR
$1,143 USD
View
B+
Retailer 4
-
€1,138 EUR
$1,271 USD
View
A
Retailer 5
-
€1,250 EUR
$1,397 USD
View
Retailer 6
-
€2,623 EUR
$2,930 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
€2,780 EUR
SGD 4,197 SGD
View
B
Retailer 8
-
€3,045 EUR
£2,679 GBP
View
B
Retailer 9
-
€3,392 EUR
$3,790 USD
View
B
Retailer 10
-
€3,490 EUR
$3,899 USD
View
Most Expensive
B
Do Amore Diamonds
27-D40AF3ECA · Oct 31
€5,353 EUR
$5,980 USD
View
10 more retailers have this diamond
Prices start from €810 EURSave up to €4,543 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 Cushion
€810 EUR