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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844678170

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

Certificate IGI LG844678170

Diamond specifications and retailer prices

From €166 EUR
$185 USD
As of October 28, 2026
Save €888 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,054 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844678170 or 844678170. Listed at 13 retailers as of October 26, 2026, with prices from €166 to €1,054, a €888 spread on the same certified stone. MOH London lists it at €1,054. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle45.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844678170
Dimensions4.53 × 4.49 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.53 mm4.49 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844678170
Side View
Table 63.0%Crown 32.1°Girdle: THK-VTKPavilion 45.7°Culet: NoneDepth 71.5%

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 28
Current: €1,054 EUR|Low: €104 EUR|High: €1,054 EUR|Avg: €366 EUR|+8.4%
MOH London
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
October 29, 2026
Retailer 7€109 EUR
Retailer 11€166 EUR
Retailer 5€201 EUR
Retailer 14€218 EUR
Retailer 3€223 EUR
Retailer 2€224 EUR
Retailer 8€240 EUR
Retailer 12€292 EUR
Retailer 10€342 EUR
Retailer 4€440 EUR
Retailer 6€602 EUR
Retailer 13€641 EUR
Retailer 9€808 EUR
MOH London€1,054 EUR

16 data points across 14 retailers

13 retailers€166 EUR to €1,054 EUR

A
Cheapest Retailer
-
€166 EUR
$185 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
A
Retailer 3
-
€218 EUR
ZAR 3,941 ZAR
View
B+
Retailer 4
-
€223 EUR
$249 USD
View
A
Retailer 5
-
€224 EUR
View
B+
Retailer 6
-
€240 EUR
£211 GBP
View
B+
Retailer 7
-
€292 EUR
£257 GBP
View
B
Retailer 8
-
€342 EUR
SGD 517 SGD
View
B
Retailer 9
-
€440 EUR
$492 USD
View
B
Retailer 10
-
€602 EUR
£530 GBP
View
B
Retailer 11
-
€641 EUR
£564 GBP
View
B
Retailer 12
-
€808 EUR
$903 USD
View
Most Expensive
B
MOH London
LG844678170 · Oct 26
€1,054 EUR
£927 GBP
View
12 more retailers have this diamond
Prices start from €166 EURSave up to €888 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
0.51ct Cushion
€166 EUR