CaratHunter
Plans
Cushion|Lab Grown|IGI

3.16ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG12438717

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12438717

Diamond specifications and retailer prices

From €541 EUR
$604 USD
As of October 31, 2026
Save €3,747 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,287 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.16ct lab-grown cushion diamond

This 3.16ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12438717 or 12438717. Listed at 9 retailers as of October 31, 2026, with prices from €541 to €4,287, a €3,747 spread on the same certified stone. Do Amore Diamonds lists it at €4,287. 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

3.16
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12438717
Dimensions8.56 × 8.46 × 5.66 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
8.56 mm8.46 mm3.16 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12438717
Side View
Table 63.0%Crown 37°Girdle: STK-VTKPavilion 39.6°Culet: NoneDepth 66.9%

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: €4,019 EUR|Low: €387 EUR|High: €4,287 EUR|Avg: €1,502 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€541 EUR
Retailer 3€758 EUR
Retailer 7€853 EUR
Retailer 8€883 EUR
Retailer 4€886 EUR
Retailer 5€926 EUR
Retailer 2€2,870 EUR
Do Amore Diamonds€4,019 EUR

24 data points across 8 retailers

9 retailers€541 EUR to €4,287 EUR

A
Cheapest Retailer
-
€541 EUR
$604 USD
Final sale: no returns
A
Retailer 2
-
€758 EUR
£667 GBP
View
A
Retailer 3
-
€853 EUR
$953 USD
View
A
Retailer 4
-
€883 EUR
$987 USD
View
A
Retailer 5
-
€886 EUR
$990 USD
View
B+
Retailer 6
-
€926 EUR
$1,035 USD
View
B
Retailer 7
-
€2,870 EUR
£2,525 GBP
View
B
Retailer 8
-
€4,019 EUR
$4,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-6C422EF65 · Oct 31
€4,287 EUR
$4,790 USD
View
8 more retailers have this diamond
Prices start from €541 EURSave up to €3,747 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
3.16ct Cushion
€541 EUR