Cushion|Lab Grown|IGI

4.51ct D VS1 Cushion Lab Grown Diamond

VG • D/VS1 • IGI LG837624529

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837624529

Diamond specifications and retailer prices

From €1,008 EUR
HK$8,800 HKD
As of October 31, 2026
Save €4,380 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,388 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837624529 or 837624529. Listed at 19 retailers as of October 29, 2026, with prices from €1,008 to €5,388, a €4,380 spread on the same certified stone. Brilliant Earth lists it at €5,388. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.51
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837624529
Dimensions11.69 × 8.41 × 5.33 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm8.41 mm4.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837624529
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 31.8°Culet: NoneDepth 63.4%

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 31
Current: €5,388 EUR|Low: €844 EUR|High: €5,388 EUR|Avg: €2,432 EUR
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 4€845 EUR
Retailer 11€846 EUR
Retailer 13€1,008 EUR
Retailer 6€1,056 EUR
Retailer 16€1,330 EUR
Retailer 17€1,340 EUR
Retailer 5€1,412 EUR
Retailer 2€1,831 EUR
Retailer 19€1,850 EUR
Retailer 20€1,878 EUR
Retailer 7€2,221 EUR
Retailer 9€2,745 EUR
Retailer 8€2,775 EUR
Retailer 15€2,926 EUR
Retailer 10€3,040 EUR
Retailer 18€3,293 EUR
Retailer 12€3,405 EUR
Retailer 3€4,055 EUR
Retailer 14€4,162 EUR
Brilliant Earth€5,388 EUR

34 data points across 20 retailers

19 retailers€1,008 EUR to €5,388 EUR

Retailer 1
-
€845 EUR
£744 GBP
Price last confirmed 17 days ago
A
Retailer 2
-
€1,008 EUR
HK$8,800 HKD
View
A
Retailer 3
-
€1,056 EUR
$1,180 USD
View
A
Retailer 4
-
€1,330 EUR
View
A
Retailer 5
-
€1,340 EUR
£1,179 GBP
View
B+
Retailer 6
-
€1,412 EUR
$1,577 USD
View
B+
Retailer 7
-
€1,831 EUR
$2,046 USD
View
Retailer 8
-
€1,850 EUR
ZAR 33,385 ZAR
View
Price last confirmed 7 days ago
Retailer 9
-
€1,878 EUR
A$3,228 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
€2,221 EUR
$2,481 USD
View
B+
Retailer 11
-
€2,745 EUR
$3,067 USD
View
B+
Retailer 12
-
€2,775 EUR
$3,100 USD
View
B+
Retailer 13
-
€2,926 EUR
SGD 4,417 SGD
View
B
Retailer 14
-
€3,040 EUR
$3,397 USD
View
B
Retailer 15
-
€3,293 EUR
£2,897 GBP
View
Retailer 16
-
€3,405 EUR
A$5,852 AUD
View
Price last confirmed 28 days ago
Retailer 17
-
€4,055 EUR
$4,530 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
€4,162 EUR
$4,650 USD
View
Most Expensive
B
Brilliant Earth
21577269A · Oct 29
€5,388 EUR
$6,020 USD
View
18 more retailers have this diamond
Prices start from €1,008 EURSave up to €4,380 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
€1,008 EUR