CaratHunter
Plans
Cushion|Lab Grown|IGI

3.12ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG557237375

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

Certificate IGI LG557237375

Diamond specifications and retailer prices

From €513 EUR
$573 USD
As of October 31, 2026
Save €3,551 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,064 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557237375 or 557237375. Listed at 9 retailers as of October 31, 2026, with prices from €513 to €4,064, a €3,551 spread on the same certified stone. Do Amore Diamonds lists it at €4,064. 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

3.12
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557237375
Dimensions8.55 × 8.47 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.55 mm8.47 mm3.12 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557237375
Side View
Table 59.5%Crown 35.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 67.7%

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: €3,903 EUR|Low: €366 EUR|High: €4,064 EUR|Avg: €1,457 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€513 EUR
Retailer 2€663 EUR
Retailer 7€823 EUR
Retailer 8€878 EUR
Retailer 5€881 EUR
Retailer 4€882 EUR
Retailer 3€2,726 EUR
Do Amore Diamonds€3,903 EUR

34 data points across 8 retailers

9 retailers€513 EUR to €4,064 EUR

A
Cheapest Retailer
-
€513 EUR
$573 USD
Final sale: no returns
A
Retailer 2
-
€663 EUR
£583 GBP
View
A
Retailer 3
-
€823 EUR
$920 USD
View
A
Retailer 4
-
€878 EUR
$981 USD
View
A
Retailer 5
-
€881 EUR
$984 USD
View
A
Retailer 6
-
€882 EUR
$985 USD
View
B
Retailer 7
-
€2,726 EUR
£2,398 GBP
View
B
Retailer 8
-
€3,903 EUR
$4,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-3908C0E64 · Oct 31
€4,064 EUR
$4,540 USD
View
8 more retailers have this diamond
Prices start from €513 EURSave up to €3,551 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
3.12ct Cushion
€513 EUR